APA (7th ed.) Citation

Thomas, J. R., & Nelson, J. K. (1990). Research methods in physical activity (2nd ed.). Human Kinetics Publishers.

Chicago Style (17th ed.) Citation

Thomas, Jerry R., and Jack K. Nelson. Research Methods in Physical Activity. 2nd ed. Champaign, Ill.: Human Kinetics Publishers, 1990.

MLA (9th ed.) Citation

Thomas, Jerry R., and Jack K. Nelson. Research Methods in Physical Activity. 2nd ed. Human Kinetics Publishers, 1990.