APA (7th ed.) Citation

Servais, W. e., & Varga, T. e. (1971). Teaching school mathematics. UNESCO.

Chicago Style (17th ed.) Citation

Servais, W. ed, and T. ed Varga. Teaching School Mathematics. Paris: UNESCO, 1971.

MLA (9th ed.) Citation

Servais, W. ed, and T. ed Varga. Teaching School Mathematics. UNESCO, 1971.

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