Cita APA (7a ed.)

Hawthorn, L. R., & Pollard, L. H. (1954). Vegetable and flower seed production. Blakiston.

Cita Chicago Style (17a ed.)

Hawthorn, Leslie R., y Leonard H. Pollard. Vegetable and Flower Seed Production. New York: Blakiston, 1954.

Cita MLA (8a ed.)

Hawthorn, Leslie R., y Leonard H. Pollard. Vegetable and Flower Seed Production. Blakiston, 1954.