APA (7th ed.) Citation

Levy, G. E., & Snodgrass, J. G. (1977). Workbook for The numbers game: Statistics for psychology. Williams & Wilkins.

Chicago Style (17th ed.) Citation

Levy, Gail Ellen, and Joan Gay Snodgrass. Workbook for The Numbers Game: Statistics for Psychology. Baltimore, Md.: Williams & Wilkins, 1977.

MLA (8th ed.) Citation

Levy, Gail Ellen, and Joan Gay Snodgrass. Workbook for The Numbers Game: Statistics for Psychology. Williams & Wilkins, 1977.