APA (7th ed.) Citation

EXERCISE IN .. & MITTELMARK, R. A. (1991). Exercise in pregnancy.-- ed.2. Williams and Wilkins.

Chicago Style (17th ed.) Citation

EXERCISE IN .. and Raul Artal MITTELMARK. Exercise in Pregnancy.-- Ed.2. Baltimore: Williams and Wilkins, 1991.

MLA (9th ed.) Citation

EXERCISE IN .. and Raul Artal MITTELMARK. Exercise in Pregnancy.-- Ed.2. Williams and Wilkins, 1991.