APA (7th ed.) Citation

Searles, H. L. (1956). Logic and scientific methods: An introductory course (2nd ed.). Ronald Press Co..

Chicago Style (17th ed.) Citation

Searles, Herbert Leon. Logic and Scientific Methods: An Introductory Course. 2nd ed. New York: Ronald Press Co., 1956.

MLA (9th ed.) Citation

Searles, Herbert Leon. Logic and Scientific Methods: An Introductory Course. 2nd ed. Ronald Press Co., 1956.