APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Eckersley, C.E, and J.M Eckersley. A Comprehensive English Grammar for Foreign Students. Harlow, Essex, England: Longman, 1960.

MLA (9th ed.) Citation

Eckersley, C.E, and J.M Eckersley. A Comprehensive English Grammar for Foreign Students. Longman, 1960.