APA (7th ed.) Citation

Tiffin, J., & Dunlap, R. D. (1955). Purdue reading test for industrial supervisors. [Purdue Research Foundation].

Chicago Style (17th ed.) Citation

Tiffin, Joseph, and Roy Dressler Dunlap. Purdue Reading Test for Industrial Supervisors. [West Lafayette, Ind.]: [Purdue Research Foundation], 1955.

MLA (9th ed.) Citation

Tiffin, Joseph, and Roy Dressler Dunlap. Purdue Reading Test for Industrial Supervisors. [Purdue Research Foundation], 1955.