APA (7th ed.) Citation

Haugen, P. (2007). Biology: Decade by decade. Facts on file.

Chicago Style (17th ed.) Citation

Haugen, Peter. Biology: Decade by Decade. New York: Facts on file, 2007.

MLA (9th ed.) Citation

Haugen, Peter. Biology: Decade by Decade. Facts on file, 2007.

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