Cita APA (7th ed.)

Krugman, S., & Ward, R. (1968). Infectious diseases of children (4th ed.). Mosby.

Cita Chicago (17th ed.)

Krugman, Saul, i Robert Ward. Infectious Diseases of Children. 4th ed. Saint Louis: Mosby, 1968.

Cita MLA (9th ed.)

Krugman, Saul, i Robert Ward. Infectious Diseases of Children. 4th ed. Mosby, 1968.