APA (7th ed.) Citation

Spaulding, S. (1967). Programmed instruction: An international directory; L'Ensignement programme: in repertoire international; comp. under the direction of S.Spaulding. Unesco.

Chicago Style (17th ed.) Citation

Spaulding, Seth. Programmed Instruction: An International Directory; L'Ensignement Programme: In Repertoire International; Comp. Under the Direction of S.Spaulding. Paris: Unesco, 1967.

MLA (8th ed.) Citation

Spaulding, Seth. Programmed Instruction: An International Directory; L'Ensignement Programme: In Repertoire International; Comp. Under the Direction of S.Spaulding. Unesco, 1967.