APA (7th ed.) Citation

(1961). The validation of scientific theories: With an introduction. Collier books.

Chicago Style (17th ed.) Citation

The Validation of Scientific Theories: With an Introduction. New York: Collier books, 1961.

MLA (9th ed.) Citation

The Validation of Scientific Theories: With an Introduction. Collier books, 1961.

Warning: These citations may not always be 100% accurate.