Cita APA

Speroff, L. 1., & Fritz, M. A. (2005). Clinical gynecologic endocrinology and infertility (7. edition.). Philadelphia: Lippincott Williams & Wilkins.

Citación estilo Chicago

Speroff, Leon 1935-, y Marc A. Fritz. Clinical Gynecologic Endocrinology and Infertility. 7. edition. Philadelphia: Lippincott Williams & Wilkins, 2005.

Cita MLA

Speroff, Leon 1935-, y Marc A. Fritz. Clinical Gynecologic Endocrinology and Infertility. 7. edition. Philadelphia: Lippincott Williams & Wilkins, 2005.