APA

Wiggins J. R., . (1964). Freedom or secrecy. New York: Oxford University Press.

Chicago

Wiggins James Russell, . 1964. Freedom or secrecy. New York: Oxford University Press.

Harvard

Wiggins J. R., . (1964). Freedom or secrecy. New York: Oxford University Press.

MLA

Wiggins James Russell, . Freedom or secrecy. New York: Oxford University Press. 1964.