Cita APA

Eckersley, C. E., & Eckersley, J. (1960). A comprehensive english grammar for foreign students. London: Longman.

Citación estilo Chicago

Eckersley, Charles Ewart, y J.M. Eckersley. A Comprehensive English Grammar for Foreign Students. London: Longman, 1960.

Cita MLA

Eckersley, Charles Ewart, y J.M. Eckersley. A Comprehensive English Grammar for Foreign Students. London: Longman, 1960.