APA

Geßlein M., Frodl A., Millrose M., Biber R., Bail H. J. & Wolpert A. K. (20200617). [How dangerous is American football in a German amateur league? An injury analysis according to playing position over a period of four seasons]. : Der Unfallchirurg.

Chicago

Geßlein Markus, Frodl Andreas, Millrose Michael, Biber Roland, Bail Hermann Josef and Wolpert Alexander Karl. 20200617. [How dangerous is American football in a German amateur league? An injury analysis according to playing position over a period of four seasons]. : Der Unfallchirurg.

Harvard

Geßlein M., Frodl A., Millrose M., Biber R., Bail H. J. and Wolpert A. K. (20200617). [How dangerous is American football in a German amateur league? An injury analysis according to playing position over a period of four seasons]. : Der Unfallchirurg.

MLA

Geßlein Markus, Frodl Andreas, Millrose Michael, Biber Roland, Bail Hermann Josef and Wolpert Alexander Karl. [How dangerous is American football in a German amateur league? An injury analysis according to playing position over a period of four seasons]. : Der Unfallchirurg. 20200617.