APA (7th ed.) Citation

Heaton, M. M., & Lewis, H. B. (1955). Reading ladders for human relations (Rev. and enl. ed., 1954.). American Council on Education.

Chicago Style (17th ed.) Citation

Heaton, Margaret M., and Helen Block Lewis. Reading Ladders for Human Relations. Rev. and enl. ed., 1954. [Washington]: American Council on Education, 1955.

MLA (9th ed.) Citation

Heaton, Margaret M., and Helen Block Lewis. Reading Ladders for Human Relations. Rev. and enl. ed., 1954. American Council on Education, 1955.