APA (7th ed.) Citation

Gibson, K., Mackintosh, N., & Mackintosh, C. (2006). Hemp for victory: History and qualities of the world's most useful plant. Whitaker Publishing.

Chicago Style (17th ed.) Citation

Gibson, Kenyon, Nick Mackintosh, and Cindy Mackintosh. Hemp for Victory: History and Qualities of the World's Most Useful Plant. London: Whitaker Publishing, 2006.

MLA (9th ed.) Citation

Gibson, Kenyon, et al. Hemp for Victory: History and Qualities of the World's Most Useful Plant. Whitaker Publishing, 2006.