APA (7th ed.) Citation

Snedden, D. (1917). Problems of secondary education. Houghton Mifflin [u.a.].

Chicago Style (17th ed.) Citation

Snedden, David. Problems of Secondary Education. Boston [u.a.]: Houghton Mifflin [u.a.], 1917.

MLA (9th ed.) Citation

Snedden, David. Problems of Secondary Education. Houghton Mifflin [u.a.], 1917.