Cita APA (7th ed.)

Berrill, N. J. (1971). Developmental biology. McGraw-Hill.

Cita Chicago (17th ed.)

Berrill, N. J. Developmental Biology. New York: McGraw-Hill, 1971.

Cita MLA (9th ed.)

Berrill, N. J. Developmental Biology. McGraw-Hill, 1971.