APA (7th ed.) Citation

Etherton, A. (1981). Mastering modern english. Longman.

Chicago Style (17th ed.) Citation

Etherton, A.R.B. Mastering Modern English. Longman, 1981.

MLA (8th ed.) Citation

Etherton, A.R.B. Mastering Modern English. Longman, 1981.

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