APA (7th ed.) Citation

Bright, J. A., & MacGregor, G. P. (1971). Teaching English as a second language: Theory and techniques for the secondary stage (new impr.). Longman.

Chicago Style (17th ed.) Citation

Bright, John A., and Gordon P. MacGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. new impr. London: Longman, 1971.

MLA (9th ed.) Citation

Bright, John A., and Gordon P. MacGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. new impr. Longman, 1971.