APA (7th ed.) Citation

Mark, J. (1980). The Ennead. Pocket Books.

Chicago Style (17th ed.) Citation

Mark, Jan. The Ennead. New York: Pocket Books, 1980.

MLA (8th ed.) Citation

Mark, Jan. The Ennead. Pocket Books, 1980.

Warning: These citations may not always be 100% accurate.