APA引文

Knudsen, S. (2004). Mallard ducks. Lerner Publications Co..

Chicago Style (17th ed.) Citation

Knudsen, Shannon. Mallard Ducks. Minneapolis, Minn.: Lerner Publications Co., 2004.

MLA引文

Knudsen, Shannon. Mallard Ducks. Lerner Publications Co., 2004.

警告：這些引文格式不一定是100％准確.