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-viite (17. p.)Campbell, Joseph, Michael Toms, Jean Erdman Campbell, John M. Maher, ja Dennie Briggs. An Open Life: Joseph Campbell in Conversation with Michael Toms. First Perennial Library edition. New York: Perennial Library, 1990.
MLA-viite (9. p.)Campbell, Joseph, et al. An Open Life: Joseph Campbell in Conversation with Michael Toms. First Perennial Library edition. Perennial Library, 1990.
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