APA (7th ed.) Citation

Francis, W. J. (1975). An evaluation of the 40-70-40 concept as a means of assessing cardiorespiratory fitness. Francis.

Chicago Style (17th ed.) Citation

Francis, William J. An Evaluation of the 40-70-40 Concept as a Means of Assessing Cardiorespiratory Fitness. Columbia, Mo.: Francis, 1975.

MLA (9th ed.) Citation

Francis, William J. An Evaluation of the 40-70-40 Concept as a Means of Assessing Cardiorespiratory Fitness. Francis, 1975.