Cita APA (7th ed.)

Pfeiffer, C. J. (1982). Cancer of the esophagus. CRC.

Cita Chicago (17th ed.)

Pfeiffer, Carl J. Cancer of the Esophagus. Boca Ratón, USA: CRC, 1982.

Cita MLA (9th ed.)

Pfeiffer, Carl J. Cancer of the Esophagus. CRC, 1982.