APA (7th ed.) Citation

Enriques, F., & Royce, K. H. (1914). Problems of science. The Open court publishing company.

Chicago Style (17th ed.) Citation

Enriques, Federigo, and Katharine Head Royce. Problems of Science. Chicago [etc.]: The Open court publishing company, 1914.

MLA (9th ed.) Citation

Enriques, Federigo, and Katharine Head Royce. Problems of Science. The Open court publishing company, 1914.