Cita APA (7a ed.)
Worthington, E. L. (1987). Counseling for unplanned pregnancy and infertility. Word Book.
Cita Chicago Style (17a ed.)
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Texas: Word Book, 1987.
Cita MLA (9a ed.)
Worthington, Everett L. Counseling for Unplanned Pregnancy and Infertility. Word Book, 1987.
Precaución: Estas citas no son 100% exactas.