APA (7th ed.) Citation

Olsen, L. K., Pierre, R. W., & Ozias, J. M. (1990). Being healthy.in 2 vols. 1: Grade 6. Harcourt brace jovanovich publishers.

Chicago Style (17th ed.) Citation

Olsen, Larry K., Richard W.St Pierre, and Jan M. Ozias. Being Healthy.in 2 Vols. 1: Grade 6. Orlando: Harcourt brace jovanovich publishers, 1990.

MLA (9th ed.) Citation

Olsen, Larry K., et al. Being Healthy.in 2 Vols. 1: Grade 6. Harcourt brace jovanovich publishers, 1990.