APA (7th ed.) Citation

Helms, D. R. (1998). Biology in the laboratory (3rd ed.). W. H. Freeman and Co.

Chicago Style (17th ed.) Citation

Helms, Doris R. Biology in the Laboratory. 3rd ed. New York: W. H. Freeman and Co, 1998.

MLA (9th ed.) Citation

Helms, Doris R. Biology in the Laboratory. 3rd ed. W. H. Freeman and Co, 1998.