Curtis, G. B., & Schuler, J. (2001). Your pregnancy after 35 (Rev. ed.). DaCapo Life Long.
Cita Chicago (17th ed.)Curtis, Glade B., i Judith Schuler. Your Pregnancy After 35. Rev. ed. Cambridge, MA: DaCapo Life Long, 2001.
Cita MLA (9th ed.)Curtis, Glade B., i Judith Schuler. Your Pregnancy After 35. Rev. ed. DaCapo Life Long, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.