Hart, R. H. (1980). Bitter grass: The cruel truth about marijuana (2nd print.). Psychoneurologia Pr.
Chicago Style (17th ed.) CitationHart, Roy H. Bitter Grass: The Cruel Truth About Marijuana. 2nd print. Shawnee Mission, Kan: Psychoneurologia Pr, 1980.
MLA (9th ed.) CitationHart, Roy H. Bitter Grass: The Cruel Truth About Marijuana. 2nd print. Psychoneurologia Pr, 1980.
Warning: These citations may not always be 100% accurate.