APA (7th ed.) Citation

Freeman, L. (1935). Diurnal variations in performance and energy expenditure. Northwestern university press.

Chicago Style (17th ed.) Citation

Freeman, Larry. Diurnal Variations in Performance and Energy Expenditure. Chicago: Northwestern university press, 1935.

MLA (8th ed.) Citation

Freeman, Larry. Diurnal Variations in Performance and Energy Expenditure. Northwestern university press, 1935.