Cita APA

Trench, R. C. (1877). English, past and present (7th ed., rev. and improved.). Scribner.

Citación estilo Chicago

Trench, Richard Chenevix. English, Past and Present. 7th ed., rev. and improved. New York: Scribner, 1877.

Cita MLA

Trench, Richard Chenevix. English, Past and Present. 7th ed., rev. and improved. Scribner, 1877.