DVS Edition Citation

Sapp, R. M., Spangenburg, E. E. & Hagberg, J. M. (2018). Trends in aggressive play and refereeing among the top five European soccer leagues. Journal of Sports Sciences, 36 (12), 1346-1354. doi: 10.1080/02640414.2017.1377911

APA (7th ed.) Citation

Sapp, R. M., Spangenburg, E. E., & Hagberg, J. M. (2018). Trends in aggressive play and refereeing among the top five European soccer leagues. Journal of Sports Sciences, 36(12), 1346-1354.

Chicago Style (17th ed.) Citation

Sapp, R. M., E. E. Spangenburg, and J. M. Hagberg. "Trends in Aggressive Play and Refereeing Among the Top Five European Soccer Leagues." Journal of Sports Sciences 36, no. 12 (2018): 1346-1354.

MLA (9th ed.) Citation

Sapp, R. M., et al. "Trends in Aggressive Play and Refereeing Among the Top Five European Soccer Leagues." Journal of Sports Sciences, vol. 36, no. 12, 2018, pp. 1346-1354.