APA (7th ed.) Citation

(2009). Teaching and learning at a distance: Foundations of distance education (4. ed.). Allyn & Bacon.

Chicago Style (17th ed.) Citation

Teaching and Learning at a Distance: Foundations of Distance Education. 4. ed. Boston ; Munich [u.a.]: Allyn & Bacon, 2009.

MLA (9th ed.) Citation

Teaching and Learning at a Distance: Foundations of Distance Education. 4. ed. Allyn & Bacon, 2009.