Cita APA (7a ed.)

Nelson, R. L., & Nyhus, L. M. (1987). Surgery of the small instestine. Appleton & Lange.

Cita Chicago Style (17a ed.)

Nelson, Richard L., y Lloyd Milton Nyhus. Surgery of the Small Instestine. Norwalk: Appleton & Lange, 1987.

Cita MLA (9a ed.)

Nelson, Richard L., y Lloyd Milton Nyhus. Surgery of the Small Instestine. Appleton & Lange, 1987.