APA (7th ed.) Citation

(1973). The teaching of mathematics in secondary schools (2. ed.). Univ. Press.

Chicago Style (17th ed.) Citation

The Teaching of Mathematics in Secondary Schools. 2. ed. Cambridge: Univ. Press, 1973.

MLA (9th ed.) Citation

The Teaching of Mathematics in Secondary Schools. 2. ed. Univ. Press, 1973.