APA (7th ed.) Citation

Remmers, H. H., & Elliott, D. N. (1950). The Purdue rating scale for instruction. Purdue Research Foundation.

Chicago Style (17th ed.) Citation

Remmers, H. H., and D. N. Elliott. The Purdue Rating Scale for Instruction. [West Layfette, Ind.]: Purdue Research Foundation, 1950.

MLA (9th ed.) Citation

Remmers, H. H., and D. N. Elliott. The Purdue Rating Scale for Instruction. Purdue Research Foundation, 1950.