UNITED STATES, D. O. A. (1993). SOIL SURVEY MANUAL.
Chicago Edition CitationUNITED STATES, DEPARTMENT OF AGRICULTURE. SOIL SURVEY MANUAL. JODHPUR, SCIENTIFIC PUBLISHERS, 1993.
MLA Edition CitationUNITED STATES, DEPARTMENT OF AGRICULTURE. SOIL SURVEY MANUAL. 1993.
Warning: These citations may not always be 100% accurate.