APA

Nolen S., Lindqvist K., . (2004). A local bicycle helmet "law" in a Swedish municipality - effects on children's attitudes, beliefs and self-reported behavior. : Increased bicycle helmet use in Sweden.

Chicago

Nolen Sixten, Lindqvist Kent, . 2004. A local bicycle helmet "law" in a Swedish municipality - effects on children's attitudes, beliefs and self-reported behavior. : Increased bicycle helmet use in Sweden.

Harvard

Nolen S., Lindqvist K., . (2004). A local bicycle helmet "law" in a Swedish municipality - effects on children's attitudes, beliefs and self-reported behavior. : Increased bicycle helmet use in Sweden.

MLA

Nolen Sixten, Lindqvist Kent, . A local bicycle helmet "law" in a Swedish municipality - effects on children's attitudes, beliefs and self-reported behavior. : Increased bicycle helmet use in Sweden. 2004.