APA (7th ed.) Citation

A, C., AH, M., & PH, S. (2007). Testing isometric fatigue in the trunk muscles. Isokinetics & Exercise Science, 15(2), 91. https://doi.org/10.3233/ies-2007-0255

Chicago Style (17th ed.) Citation

A, Crowther, McGregor AH, and Strutton PH. "Testing Isometric Fatigue in the Trunk Muscles." Isokinetics & Exercise Science 15, no. 2 (2007): 91. https://doi.org/10.3233/ies-2007-0255.

MLA (9th ed.) Citation

A, Crowther, et al. "Testing Isometric Fatigue in the Trunk Muscles." Isokinetics & Exercise Science, vol. 15, no. 2, 2007, p. 91, https://doi.org/10.3233/ies-2007-0255.