APA (7th ed.) Citation

Anderson, V. E., & Gruhn, W. T. (1962). Principles and practices of secondary education (2d ed.). Ronald Press Co..

Chicago Style (17th ed.) Citation

Anderson, Vernon Ellsworth, and William Theodore Gruhn. Principles and Practices of Secondary Education. 2d ed. New York: Ronald Press Co., 1962.

MLA (8th ed.) Citation

Anderson, Vernon Ellsworth, and William Theodore Gruhn. Principles and Practices of Secondary Education. 2d ed. Ronald Press Co., 1962.