APA (7th ed.) Citation

Nagle, F. J., & Balke, B. (1964). The gradational step test for assessing cardiorespiratory capacity: An experimental evaluation of treadmill and step test procedures. Federal Aviation Agency, Office of Aviation Medicine, Civil Aeromedical Research Institute.

Chicago Style (17th ed.) Citation

Nagle, Francis J., and Bruno Balke. The Gradational Step Test for Assessing Cardiorespiratory Capacity: An Experimental Evaluation of Treadmill and Step Test Procedures. Oklahoma City, Okla.: Federal Aviation Agency, Office of Aviation Medicine, Civil Aeromedical Research Institute, 1964.

MLA (9th ed.) Citation

Nagle, Francis J., and Bruno Balke. The Gradational Step Test for Assessing Cardiorespiratory Capacity: An Experimental Evaluation of Treadmill and Step Test Procedures. Federal Aviation Agency, Office of Aviation Medicine, Civil Aeromedical Research Institute, 1964.

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