Cita APA (7a ed.)

Simonson, M. R. (201). Teaching and learning at a distance: Foundations of distance education. Boston : Allyn & Bacon.

Cita Chicago Style (17a ed.)

Simonson, Michael R. Teaching and Learning at a Distance: Foundations of Distance Education. Boston : Allyn & Bacon, 201.

Cita MLA (9a ed.)

Simonson, Michael R. Teaching and Learning at a Distance: Foundations of Distance Education. Boston : Allyn & Bacon, 201.