APA

Twisk D., Wesseling S., Vlakveld W., Vissers J., Hegeman G., Hukker N., Roelofs E. & Slinger W. (20191003). Higher-order cycling skills among 11- to 13-year-old cyclists and relationships with cycling experience, risky behavior, crashes and self-assessed skill. : Journal of safety research.

Chicago

Twisk Divera, Wesseling Simone, Vlakveld Willem, Vissers Jan, Hegeman Geertje, Hukker Nikki, Roelofs Erik and Slinger Wilma. 20191003. Higher-order cycling skills among 11- to 13-year-old cyclists and relationships with cycling experience, risky behavior, crashes and self-assessed skill. : Journal of safety research.

Harvard

Twisk D., Wesseling S., Vlakveld W., Vissers J., Hegeman G., Hukker N., Roelofs E. and Slinger W. (20191003). Higher-order cycling skills among 11- to 13-year-old cyclists and relationships with cycling experience, risky behavior, crashes and self-assessed skill. : Journal of safety research.

MLA

Twisk Divera, Wesseling Simone, Vlakveld Willem, Vissers Jan, Hegeman Geertje, Hukker Nikki, Roelofs Erik and Slinger Wilma. Higher-order cycling skills among 11- to 13-year-old cyclists and relationships with cycling experience, risky behavior, crashes and self-assessed skill. : Journal of safety research. 20191003.