APA (7th ed.) Citation

Greig, J. Y. (1932). The letters of David Hume. Oxford University.

Chicago Style (17th ed.) Citation

Greig, J. Y. The Letters of David Hume. Oxford: Oxford University, 1932.

MLA (9th ed.) Citation

Greig, J. Y. The Letters of David Hume. Oxford University, 1932.