APA (7th ed.) Citation

Royal Scottish Society of Arts, Darwin, C. G., Horne, A. R., Beare, T. H., & Baily, F. G. (1934). This modern world and the engineer. The Royal Scottish Society of Arts.

Chicago Style (17th ed.) Citation

Royal Scottish Society of Arts, Charles Galton Darwin, Alexander Robert Horne, Thomas Hudson Beare, and Frances Gibson Baily. This Modern World and the Engineer. Edinburgh: The Royal Scottish Society of Arts, 1934.

MLA (9th ed.) Citation

Royal Scottish Society of Arts, et al. This Modern World and the Engineer. The Royal Scottish Society of Arts, 1934.