APA (7th ed.) Citation

Conrad, J., Curle, R., & Rogers, B. (1928). Letters [of] Joseph Conrad to Richard Curle. C. Gaige.

Chicago Style (17th ed.) Citation

Conrad, Joseph, Richard Curle, and Bruce Rogers. Letters [of] Joseph Conrad to Richard Curle. New York: C. Gaige, 1928.

MLA (9th ed.) Citation

Conrad, Joseph, et al. Letters [of] Joseph Conrad to Richard Curle. C. Gaige, 1928.