APA (7th ed.) Citation

ECKERSLEY, C. (1979). A concise english grammar for foreign students. Longman.

Chicago Style (17th ed.) Citation

ECKERSLEY, C.E. A Concise English Grammar for Foreign Students. London: Longman, 1979.

MLA (9th ed.) Citation

ECKERSLEY, C.E. A Concise English Grammar for Foreign Students. Longman, 1979.