APA (7th ed.) Citation

Lorentz, H., & Sommerfeld, A. The Principle of Relativity: A collection of original memoirs on the special and general Theory of Relativity. Dover.

Chicago Style (17th ed.) Citation

Lorentz, H.A, and Arnold Sommerfeld. The Principle of Relativity: A Collection of Original Memoirs on the Special and General Theory of Relativity. New York: Dover.

MLA (9th ed.) Citation

Lorentz, H.A, and Arnold Sommerfeld. The Principle of Relativity: A Collection of Original Memoirs on the Special and General Theory of Relativity. Dover.

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