APA

Castell A., . (1954). An elementary ethics. New York: Prentice-Hall.

Chicago

Castell Alburey, . 1954. An elementary ethics. New York: Prentice-Hall.

Harvard

Castell A., . (1954). An elementary ethics. New York: Prentice-Hall.

MLA

Castell Alburey, . An elementary ethics. New York: Prentice-Hall. 1954.