Gaya APA

Quilligan, E, J. (1983). Current theraphy in obstetrics and gynecology (II) (Rev. ed.). London: W.B. Saunders Company.

Gaya MLA

Quilligan, Edward, J.. "Current theraphy in obstetrics and gynecology (II)". Rev. ed. London: W.B. Saunders Company, 1983. Text.