APA (7th ed.) Citation

Eckersley, C. E., & Eckersley, J. (1967). A comprehensive english grammar for foreign students. Longmans.

Chicago Style (17th ed.) Citation

Eckersley, C. E., and J.M Eckersley. A Comprehensive English Grammar for Foreign Students. London: Longmans, 1967.

MLA (9th ed.) Citation

Eckersley, C. E., and J.M Eckersley. A Comprehensive English Grammar for Foreign Students. Longmans, 1967.

Warning: These citations may not always be 100% accurate.