APA (7th ed.) Citation

Engler, R. E. (1972). The challenge of diversity. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Engler, Richard E. The Challenge of Diversity. Freeport, N.Y.: Books for Libraries Press, 1972.

MLA (9th ed.) Citation

Engler, Richard E. The Challenge of Diversity. Books for Libraries Press, 1972.