Anderson, V. E., & Gruhn, W. T. (1962). Principles and practices of secondary education (2d ed.). Ronald Press.
Chicago Style (17th ed.) CitationAnderson, Vernon Ellsworth, and William Theodore Gruhn. Principles and Practices of Secondary Education. 2d ed. New York: Ronald Press, 1962.
MLA (9th ed.) CitationAnderson, Vernon Ellsworth, and William Theodore Gruhn. Principles and Practices of Secondary Education. 2d ed. Ronald Press, 1962.
Warning: These citations may not always be 100% accurate.