Gaya APA

RN, A, B, M. (1989). Maternity nursing an introductory text (7). Philadelphia: W.B. Saunders Company.

Gaya MLA

RN, Arlene, Burroughs,, MEd,. "Maternity nursing an introductory text". 7 Philadelphia: W.B. Saunders Company, 1989. Text.