APA (7th ed.) Citation

O'Sullivan, K., O'Sullivan, P., & Gabbett, T. (2018). Pain and fatigue in sport: Are they so different? BMJ Group.

Chicago Style (17th ed.) Citation

O'Sullivan, K., Peter O'Sullivan, and T. Gabbett. Pain and Fatigue in Sport: Are They so Different? BMJ Group, 2018.

MLA (9th ed.) Citation

O'Sullivan, K., et al. Pain and Fatigue in Sport: Are They so Different? BMJ Group, 2018.

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