Cita APA (7th ed.)

Krugman, S. (1977). Infectious diseases of children (6.ed.). Mosby Company.

Cita Chicago (17th ed.)

Krugman, Saul. Infectious Diseases of Children. 6.ed. Saint Louis: Mosby Company, 1977.

Cita MLA (9th ed.)

Krugman, Saul. Infectious Diseases of Children. 6.ed. Mosby Company, 1977.