Cita APA (7a ed.)

Hamilton, B. E., Thomson, K. J., & Irving, F. C. (1941). The heart in pregnancy and the childbearing age. Little, Brown and company.

Cita Chicago Style (17a ed.)

Hamilton, Burton E., K. Jefferson Thomson, y Frederick C. Irving. The Heart in Pregnancy and the Childbearing Age. Boston: Little, Brown and company, 1941.

Cita MLA (9a ed.)

Hamilton, Burton E., et al. The Heart in Pregnancy and the Childbearing Age. Little, Brown and company, 1941.