APA (7th ed.) Citation

Swormstedt, T. Signs of the times: /. [s.n.].

Chicago Style (17th ed.) Citation

Swormstedt, Tod. Signs of the Times: /. Estados Unidos: [s.n.].

MLA (9th ed.) Citation

Swormstedt, Tod. Signs of the Times: /. [s.n.].

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