APA (7th ed.) Citation

Butler, R. O. (1992). A good scent from a strange mountain. Penguin Books.

Chicago Style (17th ed.) Citation

Butler, Robert Olen. A Good Scent from a Strange Mountain. New York: Penguin Books, 1992.

MLA (9th ed.) Citation

Butler, Robert Olen. A Good Scent from a Strange Mountain. Penguin Books, 1992.