Cita APA (7th ed.)

ROBERTS, W. H., & TURGEON, G. (1989). About language: A reader for writers.-- Ed.2. Houghton Mifflin.

Cita Chicago (17th ed.)

ROBERTS, William H., i Gregoire TURGEON. About Language: A Reader for Writers.-- Ed.2. Boston: Houghton Mifflin, 1989.

Cita MLA (9th ed.)

ROBERTS, William H., i Gregoire TURGEON. About Language: A Reader for Writers.-- Ed.2. Houghton Mifflin, 1989.