APA (7th ed.) Citation

Poincaré, H., & Halsted, G. B. (1929). The foundations of science, science and hypothesis: The value of science, science and method. The Science press.

Chicago Style (17th ed.) Citation

Poincaré, Henri, and George Bruce Halsted. The Foundations of Science, Science and Hypothesis: The Value of Science, Science and Method. New York: The Science press, 1929.

MLA (9th ed.) Citation

Poincaré, Henri, and George Bruce Halsted. The Foundations of Science, Science and Hypothesis: The Value of Science, Science and Method. The Science press, 1929.