APA (7th ed.) Citation

Abercrombie, D. (1963). Problems and principles in language study ([2d ed.). Longmans.

Chicago Style (17th ed.) Citation

Abercrombie, David. Problems and Principles in Language Study. [2d ed. London: Longmans, 1963.

MLA (9th ed.) Citation

Abercrombie, David. Problems and Principles in Language Study. [2d ed. Longmans, 1963.

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