APA (7th ed.) Citation

Berger, E. (1955). Who knows better must say so!: By Elmer Berger. The Bookmailer.

Chicago Style (17th ed.) Citation

Berger, Elmer. Who Knows Better Must Say so!: By Elmer Berger. New York: The Bookmailer, 1955.

MLA (8th ed.) Citation

Berger, Elmer. Who Knows Better Must Say so!: By Elmer Berger. The Bookmailer, 1955.

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