Ethics : : origin and development / / Peter Kropotkin.

MLA

Kropotkin, Peter. Ethics : Origin and Development. London: Harrap & Co., 1924.

APA

Kropotkin, P. (1924). Ethics : origin and development. London: Harrap & Co.

Chicago

Kropotkin, Peter Ethics: Origin and Development. London: Harrap & Co., 1924.