APA-Zitierstil (7. Ausg.)

Osborn, S. (1990). Free (and almost free) things for teachers (Rev. ed.). Putnam.

Chicago-Zitierstil (17. Ausg.)

Osborn, Susan. Free (and Almost Free) Things for Teachers. Rev. ed. New York: Putnam, 1990.

MLA-Zitierstil (9. Ausg.)

Osborn, Susan. Free (and Almost Free) Things for Teachers. Rev. ed. Putnam, 1990.