APA

Abel E. L., . (1980). Marihuana, the first twelve thousand years. New York: Plenum Press.

Chicago

Abel Ernest L, . 1980. Marihuana, the first twelve thousand years. New York: Plenum Press.

Harvard

Abel E. L., . (1980). Marihuana, the first twelve thousand years. New York: Plenum Press.

MLA

Abel Ernest L, . Marihuana, the first twelve thousand years. New York: Plenum Press. 1980.