APA (7th ed.) Citation

Henson, K. T., & Janke, D. (1984). Elementary science methods. McGraw-Hill.

Chicago Style (17th ed.) Citation

Henson, Kenneth T., and Delmar Janke. Elementary Science Methods. New York: McGraw-Hill, 1984.

MLA (9th ed.) Citation

Henson, Kenneth T., and Delmar Janke. Elementary Science Methods. McGraw-Hill, 1984.