APA (7th ed.) Citation

Hein, G. E. (1975). An open education perspective on evaluation. North Dakota Study Group on Evaluation, University of North Dakota.

Chicago Style (17th ed.) Citation

Hein, George E. An Open Education Perspective on Evaluation. Grand Forks: North Dakota Study Group on Evaluation, University of North Dakota, 1975.

MLA (9th ed.) Citation

Hein, George E. An Open Education Perspective on Evaluation. North Dakota Study Group on Evaluation, University of North Dakota, 1975.