APA (7th ed.) Citation

Ryan, W. D. (1931). Paramount issue. [publisher not identified].

Chicago Style (17th ed.) Citation

Ryan, W. D. Paramount Issue. Washington, D.C.: [publisher not identified], 1931.

MLA (9th ed.) Citation

Ryan, W. D. Paramount Issue. [publisher not identified], 1931.

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