APA (7th ed.) Citation

Spencer, R. E. (1980). Investigating the use of the personalized system of instruction in distance education. Athabasca University.

Chicago Style (17th ed.) Citation

Spencer, Robert E. Investigating the Use of the Personalized System of Instruction in Distance Education. Edmonton, Alta.: Athabasca University, 1980.

MLA (8th ed.) Citation

Spencer, Robert E. Investigating the Use of the Personalized System of Instruction in Distance Education. Athabasca University, 1980.

Warning: These citations may not always be 100% accurate.