APA (7th ed.) Citation

Gracio, J. B. (2009). Aves. University of the Philippines Press.

Chicago Style (17th ed.) Citation

Gracio, Jerry B. Aves. Diliman, Quezon City: University of the Philippines Press, 2009.

MLA (9th ed.) Citation

Gracio, Jerry B. Aves. University of the Philippines Press, 2009.