APA (7th ed.) Citation

Heaton, J. B., & Stocks, J. P. (1978). Overseas students'companion to English language (ELBS ed.). English Language Book Society & Longman.

Chicago Style (17th ed.) Citation

Heaton, J. B., and J. P. Stocks. Overseas Students'companion to English Language. ELBS ed. London: English Language Book Society & Longman, 1978.

MLA (9th ed.) Citation

Heaton, J. B., and J. P. Stocks. Overseas Students'companion to English Language. ELBS ed. English Language Book Society & Longman, 1978.