APA (7th ed.) Citation

Grupp, S. E. (1971). Marihuana. Charles E. Merrill.

Chicago Style (17th ed.) Citation

Grupp, Stanley E. Marihuana. Columbus, Ohio: Charles E. Merrill, 1971.

MLA (9th ed.) Citation

Grupp, Stanley E. Marihuana. Charles E. Merrill, 1971.

Warning: These citations may not always be 100% accurate.