APA

Sidgwick Henry,, . (1993). The methods of ethics. New Delhi: S B W Publishers.

Chicago

Sidgwick Henry,, . 1993. The methods of ethics. New Delhi: S B W Publishers.

Harvard

Sidgwick Henry,, . (1993). The methods of ethics. New Delhi: S B W Publishers.

MLA

Sidgwick Henry,, . The methods of ethics. New Delhi: S B W Publishers. 1993.