APA (7th ed.) Citation

Kapfer, P. G., & Kapfer, M. G. (1972). Learning packages in American education. Educational Technology.

Chicago Style (17th ed.) Citation

Kapfer, Philip G., and Miriam G. Kapfer. Learning Packages in American Education. Englewood Cliffs, NJ: Educational Technology, 1972.

MLA (9th ed.) Citation

Kapfer, Philip G., and Miriam G. Kapfer. Learning Packages in American Education. Educational Technology, 1972.