APA Style

Scholem, G. et al (1991). On the Mystical Shape of the Godhead: Basic concepts in the Kabbalah . New York (N. Y., U. S. A.): Schocken.

MLA Style

Scholem, Gerschom. et al. "On the Mystical Shape of the Godhead: Basic concepts in the Kabbalah". New York (N. Y., U. S. A.): Schocken, 1991. Text.