APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.