APA

George Peabody College for Teachers N., . (1952). Free and inexpensive learning materials. Nashville, Tenn: Geo. Peabody College.

Chicago

George Peabody College for Teachers Nashville, . 1952. Free and inexpensive learning materials. Nashville, Tenn: Geo. Peabody College.

Harvard

George Peabody College for Teachers N., . (1952). Free and inexpensive learning materials. Nashville, Tenn: Geo. Peabody College.

MLA

George Peabody College for Teachers Nashville, . Free and inexpensive learning materials. Nashville, Tenn: Geo. Peabody College. 1952.