APA (7th ed.) Citation

Cracraft, P. J. (1977). London options on commodities: A primer for American speculators. Contemporary Books.

Chicago Style (17th ed.) Citation

Cracraft, Perry J. London Options on Commodities: A Primer for American Speculators. Chicago: Contemporary Books, 1977.

MLA (9th ed.) Citation

Cracraft, Perry J. London Options on Commodities: A Primer for American Speculators. Contemporary Books, 1977.