APA (7th ed.) Citation

Sheldon, B., & Ellegren, H. (1999). Sexual selection resulting from extrapair paternity in collared flycatchers.

Chicago Style (17th ed.) Citation

Sheldon, B., and H. Ellegren. Sexual Selection Resulting from Extrapair Paternity in Collared Flycatchers. 1999.

MLA (9th ed.) Citation

Sheldon, B., and H. Ellegren. Sexual Selection Resulting from Extrapair Paternity in Collared Flycatchers. 1999.

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