APA (7th ed.) Citation

Rowley, J. S. (1968). Geographic variation in four species of birds in Oaxaca, Mexico. [Western Foundation of Vertebrate Zoology].

Chicago Style (17th ed.) Citation

Rowley, J. Stuart. Geographic Variation in Four Species of Birds in Oaxaca, Mexico. Los Angeles: [Western Foundation of Vertebrate Zoology], 1968.

MLA (9th ed.) Citation

Rowley, J. Stuart. Geographic Variation in Four Species of Birds in Oaxaca, Mexico. [Western Foundation of Vertebrate Zoology], 1968.