APA Citation

Welsman, J., & Armstrong, N. (2019). The 20 m shuttle run is not a valid test of cardiorespiratory fitness in boys aged 11–14 years. BMJ Open Sport Exerc Med.

Chicago Style Citation

Welsman, Jo, and Neil Armstrong. "The 20 M Shuttle Run Is Not a Valid Test of Cardiorespiratory Fitness in Boys Aged 11–14 Years." BMJ Open Sport Exerc Med 2019.

MLA Citation

Welsman, Jo, and Neil Armstrong. "The 20 M Shuttle Run Is Not a Valid Test of Cardiorespiratory Fitness in Boys Aged 11–14 Years." BMJ Open Sport Exerc Med 2019.

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