APA (7th ed.) Citation

McGregor, R. C., Ligaya, M. . i., & Marshall, E. J. (1922). Philippine birds for boys and girls. Bureau of Printing.

Chicago Style (17th ed.) Citation

McGregor, Richard Crittenden, Macario ill Ligaya, and Elizabeth J. Marshall. Philippine Birds for Boys and Girls. Manila: Bureau of Printing, 1922.

MLA (9th ed.) Citation

McGregor, Richard Crittenden, et al. Philippine Birds for Boys and Girls. Bureau of Printing, 1922.