Citazione Stile APA (7a Edizione)

González Trápaga, R., Aguirre, G., & Adest, G. A. (2000). Sex-steroids associated with the reproductive cycle in male and female Bolson tortoise, Gopherus flavomarginatus. Instituto de Ecología, A.C.

Citazione stile Chigago Style (17a edizione)

González Trápaga, Rolando, Gustavo Aguirre, e Gary A. Adest. Sex-steroids Associated with the Reproductive Cycle in Male and Female Bolson Tortoise, Gopherus Flavomarginatus. Instituto de Ecología, A.C, 2000.

Citatione MLA (9a ed.)

González Trápaga, Rolando, et al. Sex-steroids Associated with the Reproductive Cycle in Male and Female Bolson Tortoise, Gopherus Flavomarginatus. Instituto de Ecología, A.C, 2000.