Buol, S. W., Hole, F. D., & MacCracken, R. J. (1993). Soil genesis and classification (3. ed., 2. printing.). Iowa State Univ. Press.
Chicago Style (17th ed.) CitationBuol, Stanley W., Francis D. Hole, and Ralph J. MacCracken. Soil Genesis and Classification. 3. ed., 2. printing. Ames: Iowa State Univ. Press, 1993.
MLA (9th ed.) CitationBuol, Stanley W., et al. Soil Genesis and Classification. 3. ed., 2. printing. Iowa State Univ. Press, 1993.
Warning: These citations may not always be 100% accurate.