Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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