APA (7th ed.) Citation

Ayala, F. J. (1983). Genetic variation and evolution. Scientific Publications Dept., Carolina Biological Supply Co..

Chicago Style (17th ed.) Citation

Ayala, Francisco Jose. Genetic Variation and Evolution. Burlington, N.C.: Scientific Publications Dept., Carolina Biological Supply Co., 1983.

MLA (9th ed.) Citation

Ayala, Francisco Jose. Genetic Variation and Evolution. Scientific Publications Dept., Carolina Biological Supply Co., 1983.