APA (7th ed.) Citation

Daniel, L., Kaskel, A., & Siegel, B. (1987). Focus on life science: Teacher resource book. Merrill.

Chicago Style (17th ed.) Citation

Daniel, Lucy, Albert Kaskel, and Bertram Siegel. Focus on Life Science: Teacher Resource Book. Columbus, Ohio: Merrill, 1987.

MLA (9th ed.) Citation

Daniel, Lucy, et al. Focus on Life Science: Teacher Resource Book. Merrill, 1987.