Cita APA (7a ed.)

Bloom, S. R., & Polak, J. M. (1981). Gut hormones (2nd ed.). Churchill Livingstone.

Cita Chicago Style (17a ed.)

Bloom, Stephen Robert, y Julia M. Polak. Gut Hormones. 2nd ed. Edinburgh [etc.]: Churchill Livingstone, 1981.

Cita MLA (9a ed.)

Bloom, Stephen Robert, y Julia M. Polak. Gut Hormones. 2nd ed. Churchill Livingstone, 1981.