Cita APA (7a ed.)

Beard, R. W., & Nathanielsz, P. W. (1984). Fetal physiology and medicine: Basis of perinatology (2nd, rev. ed.). M. Dekker.

Cita Chicago Style (17a ed.)

Beard, Richard W., y P. W. Nathanielsz. Fetal Physiology and Medicine: Basis of Perinatology. 2nd, rev. ed. New York: M. Dekker, 1984.

Cita MLA (8a ed.)

Beard, Richard W., y P. W. Nathanielsz. Fetal Physiology and Medicine: Basis of Perinatology. 2nd, rev. ed. M. Dekker, 1984.