APA引文

Tilford, T. (2008). The complete book of hummingbirds. Thunder Bay Press.

Chicago Style (17th ed.) Citation

Tilford, Tony. The Complete Book of Hummingbirds. San Diego, Calif.: Thunder Bay Press, 2008.

MLA引文

Tilford, Tony. The Complete Book of Hummingbirds. Thunder Bay Press, 2008.

警告：這些引文格式不一定是100％准確.