Crucial problems of modern philosophy

MLA

Hawkins, D. J. B. Crucial Problems of Modern Philosophy. London: Sheed and Ward, 1957.

APA

Hawkins, D. J. B. (1957). Crucial problems of modern philosophy. London: Sheed and Ward.

Chicago

Hawkins, D. J. B. Crucial Problems of Modern Philosophy. London: Sheed and Ward, 1957.