Cita APA (7a ed.)

Werker, E. (1997). Seed anatomy (1st edition.). Borntraerger.

Cita Chicago Style (17a ed.)

Werker, Ella. Seed Anatomy. 1st edition. Berlín: Borntraerger, 1997.

Cita MLA (8a ed.)

Werker, Ella. Seed Anatomy. 1st edition. Borntraerger, 1997.