Cita APA (7a ed.)

Thomas, J. R., & Nelson, J. K. (2001). Research methods in physical activity (4th ed.). Human kinetics.

Cita Chicago Style (17a ed.)

Thomas, Jerry R., y Jack K. Nelson. Research Methods in Physical Activity. 4th ed. Champaign [etc.]: Human kinetics, 2001.

Cita MLA (9a ed.)

Thomas, Jerry R., y Jack K. Nelson. Research Methods in Physical Activity. 4th ed. Human kinetics, 2001.