The standard grips this chord is usually shown with.
EbmMaj7 is Eb, Gb, Bb and D, a minor major seventh. The shape this page opens on is written xx1332, lowest string first.

Also written EbmM7, Ebm(maj7), Eb-Δ7 or EbminMaj7. The same chord either way; which spelling you meet depends on who wrote the chart.
There are 6 common shapes for EbmMaj7 on the guitar, and 26 derived voicings in 3 families.
The common shapes, written lowest string first: xx1332, x6433x, x68776, x-9-8-8-11-10, x-x-13-11-11-10, 11-13-12-11-11-11.
Shell. Root, third and seventh: the guide tones fix the quality, so the fifth is dropped. That is what leaves a string free, so pick a tension to put on top. EbmMaj7 has x647xx, x6x77x, 11-9-12-x-x-x, 11-x-12-11-x-x.
Drop 2. A close-position chord with the second voice from the top lowered an octave. Sits on four adjacent strings. EbmMaj7 has xx1332, x5434x, x6877x, 10-9-8-8-x-x, x-x-12-11-11-11, 11-13-12-11-x-x, x-x-13-15-15-14, 2513xx.
Drop 3. The third voice from the top lowered an octave. The dropped voice becomes the bass, which is why a string is skipped. EbmMaj7 has 2x133x, x5x342, 6x474x, x6x776, 10-x-8-8-7-x, x-9-x-8-11-10, x-13-x-11-15-11, 11-x-12-11-11-x.
Tensions. A shell of EbmMaj7, root, third and seventh, leaves a string free, and the tones that belong over it are the 9 (F), the 11 (Ab) and the 13 (C).
The common shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.
Shows each chord the way this style would voice it, and marks which of its alternatives belong to the idiom.