APA aipamena

Ayala, F. J. (1983). The origin of species. Scientific Publications Dept., Carolina Biological Supply Co..

Chicago Style aipamena

Ayala, Francisco Jose. The Origin of Species. Burlington, N.C.: Scientific Publications Dept., Carolina Biological Supply Co., 1983.

MLA aipamena

Ayala, Francisco Jose. The Origin of Species. Scientific Publications Dept., Carolina Biological Supply Co., 1983.