Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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