APA (7th ed.) Citation

Educational Services Inc. African Education Program. (1966). Secondary C. three: Geometry (Prelim. ed.). Science Research Associates.

Chicago Style (17th ed.) Citation

Educational Services Inc. African Education Program. Secondary C. Three: Geometry. Prelim. ed. Chicago, IL: Science Research Associates, 1966.

MLA (9th ed.) Citation

Educational Services Inc. African Education Program. Secondary C. Three: Geometry. Prelim. ed. Science Research Associates, 1966.

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