Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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