APA (7th ed.) Citation

Educational Services Inc. African Education Program. (1964). Mathematics primary one (Prelim. rev. ed.). ESI.

Chicago Style (17th ed.) Citation

Educational Services Inc. African Education Program. Mathematics Primary One. Prelim. rev. ed. Watertown, MA: ESI, 1964.

MLA (9th ed.) Citation

Educational Services Inc. African Education Program. Mathematics Primary One. Prelim. rev. ed. ESI, 1964.