Cita APA (7a ed.)

Dreiser, T., & Howe, I. (1981). An American tragedy. New American Library.

Cita Chicago Style (17a ed.)

Dreiser, Theodore, y Irving Howe. An American Tragedy. New York [etc.]: New American Library, 1981.

Cita MLA (9a ed.)

Dreiser, Theodore, y Irving Howe. An American Tragedy. New American Library, 1981.