APA (7th ed.) Citation

Helms, D. R., & Wilson, J. C. (1994). Biology in the laboratory (2nd ed.). Worth Publishers.

Chicago Style (17th ed.) Citation

Helms, Doris R., and Judith C. Wilson. Biology in the Laboratory. 2nd ed. New York, N.Y.: Worth Publishers, 1994.

MLA (9th ed.) Citation

Helms, Doris R., and Judith C. Wilson. Biology in the Laboratory. 2nd ed. Worth Publishers, 1994.