APA način citiranja

Willoughby, S. S. (1967). Contemporary teaching of secondary school mathematics. New York: Wiley.

Čikaški stil citiranja

Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. New York: Wiley, 1967.

MLA način citiranja

Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. New York: Wiley, 1967.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.