Citazione APA

Copeland, L. O., & McDonald, M. B. (2001). Principles of seed science and technology (Fourth edition.). Kluwer Academic Publishers.

Stile di citazione Chicago

Copeland, L. O., e M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Boston: Kluwer Academic Publishers, 2001.

Citazione MLA

Copeland, L. O., e M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Kluwer Academic Publishers, 2001.