APA (7th ed.) Citation

Kelly, N., Hathery, J., & Rosen, G. (1987). Focus on life (2nd ed.). McGrawhill.

Chicago Style (17th ed.) Citation

Kelly, Nan, J. Hathery, and G. Rosen. Focus on Life. 2nd ed. New York: McGrawhill, 1987.

MLA (9th ed.) Citation

Kelly, Nan, et al. Focus on Life. 2nd ed. McGrawhill, 1987.