Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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