APA (7th ed.) Citation

Heimler, C. H., Daniel, L., & Moore, R. (1989). Focus on life science. Merrill Pub. Co..

Chicago Style (17th ed.) Citation

Heimler, Charles H., Lucy Daniel, and Randy Moore. Focus on Life Science. Columbus, Ohio: Merrill Pub. Co., 1989.

MLA (8th ed.) Citation

Heimler, Charles H., et al. Focus on Life Science. Merrill Pub. Co., 1989.