Cita APA (7a ed.)

Greenbaum, S. (1989). Good English and the grammarian. Longman.

Cita Chicago Style (17a ed.)

Greenbaum, Sidney. Good English and the Grammarian. London [etc.]: Longman, 1989.

Cita MLA (9a ed.)

Greenbaum, Sidney. Good English and the Grammarian. Longman, 1989.