Cita APA

Ledyard G Stebbins. (1950). Variation and evolution in plants. Oxford book company.

Chicago Edition Citation

Ledyard G Stebbins. Variation and Evolution in Plants. 1950: Oxford book company, 1950.

Cita MLA

Ledyard G Stebbins. Variation and Evolution in Plants. Oxford book company, 1950.

Atenció: Aquestes cites poden no estar 100% correctes.