APA (7th ed.) Citation

Eckersley, C. E., & Eckersley, J. M. (1972). Essential English for foreign students: [Students' book] . Book one (New impression.). Longman.

Chicago Style (17th ed.) Citation

Eckersley, C. E., and John Macaulay Eckersley. Essential English for Foreign Students: [Students' Book] . Book One. New impression. London: Longman, 1972.

MLA (9th ed.) Citation

Eckersley, C. E., and John Macaulay Eckersley. Essential English for Foreign Students: [Students' Book] . Book One. New impression. Longman, 1972.