The foundations of science;
Science and hypothesis, The value of science, Science and method.
By H. Poincare. Authorized translation by George Bruce Halsted.

APA Citation

Poincaré, H., Halsted, G. Bruce. (1913). The foundations of science: Science and hypothesis, The value of science, Science and method. New York and Garrison, N. Y.: The Science Press.

MLA Citation

Poincaré, Henri, 1854-1912, and George Bruce Halsted. The Foundations of Science: Science And Hypothesis, The Value of Science, Science And Method. New York and Garrison, N. Y.: The Science Press, 1913.

Warning: These citations may not always be complete (especially for serials).