Cita APA (7a ed.)

Spiro, H. M. (1977). Clinical gastroenterology. Macmillan [etc.].

Cita Chicago Style (17a ed.)

Spiro, Howard M. Clinical Gastroenterology. New York: Macmillan [etc.], 1977.

Cita MLA (9a ed.)

Spiro, Howard M. Clinical Gastroenterology. Macmillan [etc.], 1977.