Citazione Stile APA (7a Edizione)

(1931). Tests and challenges in sociology (for use with Ross's Principles of sociology, revised edition). The Century co.

Citazione stile Chigago Style (17a edizione)

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). New York: The Century co, 1931.

Citatione MLA (9a ed.)

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). The Century co, 1931.