APA (7th ed.) Citation

Ward, M. E., & Marquardt, D. A. (1971). Authors of books for young people (2.ed.). Scarecrow Pr.

Chicago Style (17th ed.) Citation

Ward, Martha E., and Dorothy A. Marquardt. Authors of Books for Young People. 2.ed. Metuchen, N.J: Scarecrow Pr, 1971.

MLA (9th ed.) Citation

Ward, Martha E., and Dorothy A. Marquardt. Authors of Books for Young People. 2.ed. Scarecrow Pr, 1971.