Cita APA (7a ed.)

ebrary, Inc, & Schneider, E. W. (1996). Focus on the USA. J. Benjamins.

Cita Chicago Style (17a ed.)

ebrary, Inc, y Edgar W. Schneider. Focus on the USA. Amsterdam ; Philadelphia: J. Benjamins, 1996.

Cita MLA (9a ed.)

ebrary, Inc, y Edgar W. Schneider. Focus on the USA. J. Benjamins, 1996.