APA (7th ed.) Citation

Lowry, M., Day, D., & Lowry, M. B. (1968). Dark as the grave wherein my friend is laid. New American Library.

Chicago Style (17th ed.) Citation

Lowry, Malcolm, Douglas Day, and Margerie Bonner Lowry. Dark as the Grave Wherein My Friend Is Laid. [New York]: New American Library, 1968.

MLA (9th ed.) Citation

Lowry, Malcolm, et al. Dark as the Grave Wherein My Friend Is Laid. New American Library, 1968.