Cita APA (7a ed.)

Krugman, S., & Gocke, D. J. (1978). Viral hepatitis. Saunders.

Cita Chicago Style (17a ed.)

Krugman, Saul, y David J. Gocke. Viral Hepatitis. Philadelphia [etc.]: Saunders, 1978.

Cita MLA (9a ed.)

Krugman, Saul, y David J. Gocke. Viral Hepatitis. Saunders, 1978.