APA

Leopold A., Schwartz C. W. & Leopold A. (1966). A Sand County almanac: With other essays on conservation from Round River. New York: Oxford University Press.

Chicago

Leopold Aldo, Schwartz Charles Walsh and Leopold Aldo. 1966. A Sand County almanac: With other essays on conservation from Round River. New York: Oxford University Press.

Harvard

Leopold A., Schwartz C. W. and Leopold A. (1966). A Sand County almanac: With other essays on conservation from Round River. New York: Oxford University Press.

MLA

Leopold Aldo, Schwartz Charles Walsh and Leopold Aldo. A Sand County almanac: With other essays on conservation from Round River. New York: Oxford University Press. 1966.