APA

Calloway S. P., Hardin D. M., Crawford M. D., Hardin J. M., Lemak L. J., Giza E., Forsythe B., Lu Y., Patel B. H., Osbahr D. C., Gerhardt M. B., Mandelbaum B. R. & Baldwin W. W. (20200518). Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field. : The American journal of sports medicine.

Chicago

Calloway Sean P, Hardin David M, Crawford Matthew D, Hardin J Michael, Lemak Lawrence J, Giza Eric, Forsythe Brian, Lu Yining, Patel Bhavik H, Osbahr Daryl C, Gerhardt Michael B, Mandelbaum Bert R and Baldwin William W. 20200518. Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field. : The American journal of sports medicine.

Harvard

Calloway S. P., Hardin D. M., Crawford M. D., Hardin J. M., Lemak L. J., Giza E., Forsythe B., Lu Y., Patel B. H., Osbahr D. C., Gerhardt M. B., Mandelbaum B. R. and Baldwin W. W. (20200518). Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field. : The American journal of sports medicine.

MLA

Calloway Sean P, Hardin David M, Crawford Matthew D, Hardin J Michael, Lemak Lawrence J, Giza Eric, Forsythe Brian, Lu Yining, Patel Bhavik H, Osbahr Daryl C, Gerhardt Michael B, Mandelbaum Bert R and Baldwin William W. Injury Surveillance in Major League Soccer: A 4-Year Comparison of Injury on Natural Grass Versus Artificial Turf Field. : The American journal of sports medicine. 20200518.