APA (7th ed.) Citation

Schaffer, G. (1945). The secret empire. [S.l.]: [s.n.].

Chicago Style (17th ed.) Citation

Schaffer, Gordon. The Secret Empire. [S.l.]: [s.n.], 1945.

MLA (8th ed.) Citation

Schaffer, Gordon. The Secret Empire. [S.l.]: [s.n.], 1945.

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