APA (7th ed.) Citation

Gissing, G., Clodd, E., & Coustillas, P. (1973). The letters of George Gissing to Edward Clodd. Enitharmon Press.

Chicago Style (17th ed.) Citation

Gissing, George, Edward Clodd, and Pierre Coustillas. The Letters of George Gissing to Edward Clodd. London: Enitharmon Press, 1973.

MLA (9th ed.) Citation

Gissing, George, et al. The Letters of George Gissing to Edward Clodd. Enitharmon Press, 1973.