Gaya APA

Crosson, P, R., Brubaker, S. (1982). Resorce and Environmental Effects of U,S. Agriculture . Washing D>C: Resorce for he future.

Gaya MLA

Crosson, Pierre, R.., Brubaker, Steling. "Resorce and Environmental Effects of U,S. Agriculture". Washing D>C: Resorce for he future, 1982. Text.