APA (7th ed.) Citation

Patrikeev, M. (2004). The birds of Azerbaijan (1999-2003 ed.). Pensoft.

Chicago Style (17th ed.) Citation

Patrikeev, Michael. The Birds of Azerbaijan. 1999-2003 ed. Sofia: Pensoft, 2004.

MLA (9th ed.) Citation

Patrikeev, Michael. The Birds of Azerbaijan. 1999-2003 ed. Pensoft, 2004.