Cita APA (7a ed.)

Gutknecht, C. (1975). Contributions to applied linguistics. Herbert Lang [etc.].

Cita Chicago Style (17a ed.)

Gutknecht, Christoph. Contributions to Applied Linguistics. Bern [etc.]: Herbert Lang [etc.], 1975.

Cita MLA (9a ed.)

Gutknecht, Christoph. Contributions to Applied Linguistics. Herbert Lang [etc.], 1975.