Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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