APA (7th ed.) Citation

Richardson, S., & Carroll, J. (1964). Selected letters. Clarendon Press.

Chicago Style (17th ed.) Citation

Richardson, Samuel, and John Carroll. Selected Letters. Oxford [u.a.]: Clarendon Press, 1964.

MLA (9th ed.) Citation

Richardson, Samuel, and John Carroll. Selected Letters. Clarendon Press, 1964.