APA (7th ed.) Citation

(1950). Centennial issue: October 1950. Harper & Bros..

Chicago Style (17th ed.) Citation

Centennial Issue: October 1950. New York: Harper & Bros., 1950.

MLA (9th ed.) Citation

Centennial Issue: October 1950. Harper & Bros., 1950.

Warning: These citations may not always be 100% accurate.