APA (7th ed.) Citation

Etherton,A.R.B. (1968). Key to Objective English Tests: For Secondary Schools / A.R.B.Etherton. Longman.

Chicago Style (17th ed.) Citation

Etherton,A.R.B. Key to Objective English Tests: For Secondary Schools / A.R.B.Etherton. Longman, 1968.

MLA (8th ed.) Citation

Etherton,A.R.B. Key to Objective English Tests: For Secondary Schools / A.R.B.Etherton. Longman, 1968.

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