APA (7th ed.) Citation

Simpson, I. H., & Simpson, R. L. (1985). Unemployment. JAI Press.

Chicago Style (17th ed.) Citation

Simpson, Ida Harper, and Richard L. Simpson. Unemployment. Greenwich, Conn.: JAI Press, 1985.

MLA (8th ed.) Citation

Simpson, Ida Harper, and Richard L. Simpson. Unemployment. JAI Press, 1985.