APA

Leopold A., Schwartz C. W., . (1970). A sand county almanac with essays on conservation from round river. New York: Ballantine Books.

Chicago

Leopold Aldo, Schwartz Charles W, . 1970. A sand county almanac with essays on conservation from round river. New York: Ballantine Books.

Harvard

Leopold A., Schwartz C. W., . (1970). A sand county almanac with essays on conservation from round river. New York: Ballantine Books.

MLA

Leopold Aldo, Schwartz Charles W, . A sand county almanac with essays on conservation from round river. New York: Ballantine Books. 1970.