APA-Zitierstil (7. Ausg.)

Spalding, J. L. (1903). Opportunity and other essays and addresses (3. ed.). McClurg.

Chicago-Zitierstil (17. Ausg.)

Spalding, John L. Opportunity and Other Essays and Addresses. 3. ed. Chicago: McClurg, 1903.

MLA-Zitierstil (9. Ausg.)

Spalding, John L. Opportunity and Other Essays and Addresses. 3. ed. McClurg, 1903.