Παραπομπή σε μορφή APA (7η εκδ.)

Peterson, G., & Beatty, M. T. (1981). Planning future land uses. American Society of Agronomy; Crop Science Society of America; Soil Science Society of America.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Peterson, Gary, και Marvin T. Beatty. Planning Future Land Uses. Madison: American Society of Agronomy; Crop Science Society of America; Soil Science Society of America, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Peterson, Gary, και Marvin T. Beatty. Planning Future Land Uses. American Society of Agronomy; Crop Science Society of America; Soil Science Society of America, 1981.