APA (7th ed.) Citation

Kovtun, M. F., & Shatkovskaja, O. V. (2011). Origin of Altricial Model of Development for Birds: To the Problem of Evolution of Ontogenesis.

Chicago Style (17th ed.) Citation

Kovtun, M. F., and O. V. Shatkovskaja. Origin of Altricial Model of Development for Birds: To the Problem of Evolution of Ontogenesis. 2011.

MLA (8th ed.) Citation

Kovtun, M. F., and O. V. Shatkovskaja. Origin of Altricial Model of Development for Birds: To the Problem of Evolution of Ontogenesis. 2011.

Warning: These citations may not always be 100% accurate.