APA引文

Bowman, C. (2016). Ruby-throated hummingbirds. Bellwether Media.

Chicago Style (17th ed.) Citation

Bowman, Chris. Ruby-throated Hummingbirds. Minneapolis, MN: Bellwether Media, 2016.

MLA引文

Bowman, Chris. Ruby-throated Hummingbirds. Bellwether Media, 2016.

警告：這些引文格式不一定是100％准確.