MLA

Hausbeck, Kathryn Wald, Lester W Milbrath, and Sean M Enright. Environmental Knowledge, Awareness and Concern Among 11th Grade Students: New York State. USA, 1992.

APA

Hausbeck, K. Wald, Milbrath, L. W, & Enright, S. M. (1992). Environmental knowledge, awareness and concern among 11th grade students: New York State. USA.

Chicago

Hausbeck, Kathryn Wald, Lester W Milbrath, and Sean M Enright. Environmental Knowledge, Awareness and Concern Among 11th Grade Students: New York State. USA, 1992.