APA (7th ed.) Citation

Jewkes, J., Sawers, D., & Stillerman, R. (1969). The sources of invention (2.ed.). Norton.

Chicago Style (17th ed.) Citation

Jewkes, John, David Sawers, and Richard Stillerman. The Sources of Invention. 2.ed. New York: Norton, 1969.

MLA (9th ed.) Citation

Jewkes, John, et al. The Sources of Invention. 2.ed. Norton, 1969.