APA (7th ed.) Citation

Campbell, J., Toms, M., Campbell, J. E., Maher, J. M., & Briggs, D. (1990). An open life: Joseph Campbell in conversation with Michael Toms (First Perennial Library edition.). Perennial Library.

Chicago Style (17th ed.) Citation

Campbell, Joseph, Michael Toms, Jean Erdman Campbell, John M. Maher, and Dennie Briggs. An Open Life: Joseph Campbell in Conversation with Michael Toms. First Perennial Library edition. New York: Perennial Library, 1990.

MLA (9th ed.) Citation

Campbell, Joseph, et al. An Open Life: Joseph Campbell in Conversation with Michael Toms. First Perennial Library edition. Perennial Library, 1990.