APA (7th ed.) Citation

Hahn, Payne, & Lucas. (2009). Focus on health (9th ed.). McGraw Hill.

Chicago Style (17th ed.) Citation

Hahn, Payne, and Lucas. Focus on Health. 9th ed. New York: McGraw Hill, 2009.

MLA (8th ed.) Citation

Hahn, et al. Focus on Health. 9th ed. McGraw Hill, 2009.