APA (7th ed.) Citation

Foreign Service Institute (U.S.) & Harris, C. C. (1975). Spanish programmatic course. Spoken Language Services.

Chicago Style (17th ed.) Citation

Foreign Service Institute (U.S.) and C. Cleland Harris. Spanish Programmatic Course. Ithaca, N.Y.: Spoken Language Services, 1975.

MLA (9th ed.) Citation

Foreign Service Institute (U.S.) and C. Cleland Harris. Spanish Programmatic Course. Spoken Language Services, 1975.

Warning: These citations may not always be 100% accurate.