APA (7th ed.) Citation

Charalampos Spanias, Christopher Kirk, & Karsten Øvretveit. (2022). Position before submission? Techniques and tactics in competitive no-gi Brazilian jiu-jitsu. Universidad de León.

Chicago Style (17th ed.) Citation

Charalampos Spanias, Christopher Kirk, and Karsten Øvretveit. Position Before Submission? Techniques and Tactics in Competitive No-gi Brazilian Jiu-jitsu. Universidad de León, 2022.

MLA (9th ed.) Citation

Charalampos Spanias, et al. Position Before Submission? Techniques and Tactics in Competitive No-gi Brazilian Jiu-jitsu. Universidad de León, 2022.