APA (7th ed.) Citation

Heit, P., Meeks, & Mitchell, L. (1987). Health focus on you. Merrill.

Chicago Style (17th ed.) Citation

Heit, Philip, Meeks, and Linda Mitchell. Health Focus on You. Merrill, 1987.

MLA (8th ed.) Citation

Heit, Philip, et al. Health Focus on You. Merrill, 1987.