APA (7th ed.) Citation

Newman, J. H., Ker, I. T., & Gornall, T. (1978). Letters and diaries of John Henry Newman. Clarendon Press.

Chicago Style (17th ed.) Citation

Newman, John Henry, Ian Turnhill Ker, and Thomas Gornall. Letters and Diaries of John Henry Newman. Oxford: Clarendon Press, 1978.

MLA (9th ed.) Citation

Newman, John Henry, et al. Letters and Diaries of John Henry Newman. Clarendon Press, 1978.