APA (7th ed.) Citation

Armstrong, N. (2019). Youth Aerobic Fitness. Pediatric Exercise Science, 31(2), 137. https://doi.org/10.1123/pes.2019-0039

Chicago Style (17th ed.) Citation

Armstrong, Neil. "Youth Aerobic Fitness." Pediatric Exercise Science 31, no. 2 (2019): 137. https://doi.org/10.1123/pes.2019-0039.

MLA (9th ed.) Citation

Armstrong, Neil. "Youth Aerobic Fitness." Pediatric Exercise Science, vol. 31, no. 2, 2019, p. 137, https://doi.org/10.1123/pes.2019-0039.

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