Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Simonson, R. W. (1962). Soil classification in the United States. - Washington, D.C.

Chicago Citation Edition Citation

Simonson, Roy W. Soil Classification in the United States. - Washington, D.C. 1962.

MLA Citation Edition Citation

Simonson, Roy W. Soil Classification in the United States. - Washington, D.C. 1962.