APA (7th ed.) Citation

Crisp, R. (2017). The cosmos of duty: Henry Sidgwick's "Methods of ethics" (First published in paperback.). Clarendon Press.

Chicago Style (17th ed.) Citation

Crisp, Roger. The Cosmos of Duty: Henry Sidgwick's "Methods of Ethics". First published in paperback. Oxford, United Kingdom: Clarendon Press, 2017.

MLA (9th ed.) Citation

Crisp, Roger. The Cosmos of Duty: Henry Sidgwick's "Methods of Ethics". First published in paperback. Clarendon Press, 2017.