APA (7th ed.) Citation

Curtis & Schuler. (2008). Your pregnancy week by week (6th ed.). Da Capo Press.

Chicago Style (17th ed.) Citation

Curtis and Schuler. Your Pregnancy Week by Week. 6th ed. Philadelphia: Da Capo Press, 2008.

MLA (8th ed.) Citation

Curtis and Schuler. Your Pregnancy Week by Week. 6th ed. Da Capo Press, 2008.