APA (7th ed.) Citation

Orions, C. T., Burchfield, R., & Friedrichsen, G. (1982). The oxford dictionary of English etymology. The Clarendon Press.

Chicago Style (17th ed.) Citation

Orions, C. T., R.W Burchfield, and G.W.S Friedrichsen. The Oxford Dictionary of English Etymology. Oxford: The Clarendon Press, 1982.

MLA (9th ed.) Citation

Orions, C. T., et al. The Oxford Dictionary of English Etymology. The Clarendon Press, 1982.