APA (7th ed.) Citation

Educational Services Inc. African Education Program. (1965). Basic concepts of mathematics: An introductory text for teachers (Preilim. ed.). ESI.

Chicago Style (17th ed.) Citation

Educational Services Inc. African Education Program. Basic Concepts of Mathematics: An Introductory Text for Teachers. Preilim. ed. Watertown, MA: ESI, 1965.

MLA (9th ed.) Citation

Educational Services Inc. African Education Program. Basic Concepts of Mathematics: An Introductory Text for Teachers. Preilim. ed. ESI, 1965.