APA (7th ed.) Citation

McLachlan, S., & Hagger, M. (2011). Do people differentiate between intrinsic and extrinsic goals for physical acitivity? Human Kinetics.

Chicago Style (17th ed.) Citation

McLachlan, S., and Martin Hagger. Do People Differentiate Between Intrinsic and Extrinsic Goals for Physical Acitivity? Human Kinetics, 2011.

MLA (9th ed.) Citation

McLachlan, S., and Martin Hagger. Do People Differentiate Between Intrinsic and Extrinsic Goals for Physical Acitivity? Human Kinetics, 2011.

Warning: These citations may not always be 100% accurate.