APA ציטוט

Romanoff, A. L., & Romanoff, A. J. (1963). Avian egg.

Chicago Edition Citation

Romanoff, Alexis L., and Anastasia J. Romanoff. Avian Egg. 1963.

ציטוט MLA

Romanoff, Alexis L., and Anastasia J. Romanoff. Avian Egg. 1963.