APA (7th ed.) Citation

Elliot, S. (1990). Distance education systems. FAO of the United Nations.

Chicago Style (17th ed.) Citation

Elliot, Sergio. Distance Education Systems. Rome: FAO of the United Nations, 1990.

MLA (9th ed.) Citation

Elliot, Sergio. Distance Education Systems. FAO of the United Nations, 1990.

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