APA (7th ed.) Citation

Abel, E. L. (1979). A comprehensive guide to the Cannabis literature. Greenwood Press.

Chicago Style (17th ed.) Citation

Abel, Ernest L. A Comprehensive Guide to the Cannabis Literature. Westport, Conn. [u.a.]: Greenwood Press, 1979.

MLA (8th ed.) Citation

Abel, Ernest L. A Comprehensive Guide to the Cannabis Literature. Greenwood Press, 1979.