APA
(1954). Emerging practices in mathematics education: Twenty-second yearbook. Washington, USA: National Council of Teachers of Mathematics.
Chicago
1954. Emerging practices in mathematics education: Twenty-second yearbook. Washington, USA: National Council of Teachers of Mathematics.
Harvard
(1954). Emerging practices in mathematics education: Twenty-second yearbook. Washington, USA: National Council of Teachers of Mathematics.
MLA
Emerging practices in mathematics education: Twenty-second yearbook. Washington, USA: National Council of Teachers of Mathematics. 1954.