APA (7th ed.) Citation

Pap, A. (1968). The a priori in physical theory. Russell & Russell.

Chicago Style (17th ed.) Citation

Pap, Arthur. The a Priori in Physical Theory. New York: Russell & Russell, 1968.

MLA (9th ed.) Citation

Pap, Arthur. The a Priori in Physical Theory. Russell & Russell, 1968.