Cita APA (7th ed.)

Krugman, S., & Katz, S. L. (1981). Infectious diseases of children <i>en</i>.

Cita Chicago (17th ed.)

Krugman, Saul, i Samuel L. Katz. Infectious Diseases of Children <i>en</i>. 1981.

Cita MLA (9th ed.)

Krugman, Saul, i Samuel L. Katz. Infectious Diseases of Children <i>en</i>. 1981.