MLA

Van Tassell, Larry W, et al. Producers' Attitudes Concerning Pesticide Education. USA, 1997.

APA

Van Tassell, L. W, Ferrell, M. A, Yang, B., Legg, D. E, & Lloyd, J. E. (1997). Producers' attitudes concerning pesticide education. USA.

Chicago

Van Tassell, Larry W., Mark A Ferrell, Bozheng Yang, David E Legg, and John E Lloyd. Producers' Attitudes Concerning Pesticide Education. USA, 1997.