APA (7th ed.) Citation

Tugwell, R. G., & Lear, J. (1970). Changing the colonial climate. Arno Press.

Chicago Style (17th ed.) Citation

Tugwell, Rexford G., and John Lear. Changing the Colonial Climate. New York: Arno Press, 1970.

MLA (9th ed.) Citation

Tugwell, Rexford G., and John Lear. Changing the Colonial Climate. Arno Press, 1970.