Cita APA (7a ed.)

Symonds, E. M., & Symonds, I. M. (2004). Essential obstetrics and gynaecology (4th ed.). Churchill Livingstone.

Cita Chicago Style (17a ed.)

Symonds, E. Malcolm, y Ian M. Symonds. Essential Obstetrics and Gynaecology. 4th ed. Edinburgh, UK: Churchill Livingstone, 2004.

Cita MLA (9a ed.)

Symonds, E. Malcolm, y Ian M. Symonds. Essential Obstetrics and Gynaecology. 4th ed. Churchill Livingstone, 2004.