APA (7th ed.) Citation

Gregory, C. A. (1982). Gifts and commodities / C.A. Gregory. Academic Press.

Chicago Style (17th ed.) Citation

Gregory, C. A. Gifts and Commodities / C.A. Gregory. London: Academic Press, 1982.

MLA (9th ed.) Citation

Gregory, C. A. Gifts and Commodities / C.A. Gregory. Academic Press, 1982.

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