APA (7th ed.) Citation

Ashlag, Y., & Berg, P. (1977). An entrance to the tree of life: A key to the portals of Jewish mysticism. Research Centre of Kabbalah.

Chicago Style (17th ed.) Citation

Ashlag, Yehudah, and Phillip Berg. An Entrance to the Tree of Life: A Key to the Portals of Jewish Mysticism. Old City Jerusalem: Research Centre of Kabbalah, 1977.

MLA (9th ed.) Citation

Ashlag, Yehudah, and Phillip Berg. An Entrance to the Tree of Life: A Key to the Portals of Jewish Mysticism. Research Centre of Kabbalah, 1977.