Citazione Stile APA (7a Edizione)

Zimmer, J. (1997). Labor of love: Mothers share the joy of childbirth. John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Zimmer, Judith. Labor of Love: Mothers Share the Joy of Childbirth. New York: John Wiley & Sons, 1997.

Citatione MLA (9a ed.)

Zimmer, Judith. Labor of Love: Mothers Share the Joy of Childbirth. John Wiley & Sons, 1997.