APA (7th ed.) Citation

Garrison, D. R. (1993). A cognitive constructivist view of distance education: A analysis of teaching-learning assumptions. [s.n.].

Chicago Style (17th ed.) Citation

Garrison, D. R. A Cognitive Constructivist View of Distance Education: A Analysis of Teaching-learning Assumptions. [S.l.]: [s.n.], 1993.

MLA (9th ed.) Citation

Garrison, D. R. A Cognitive Constructivist View of Distance Education: A Analysis of Teaching-learning Assumptions. [s.n.], 1993.