APA (7th ed.) Citation

Epstein, S., & Rawdon, H. S. (1920). Metallographic features revealed by deep etching of steel. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Epstein, Samuel, and Henry S. Rawdon. Metallographic Features Revealed by Deep Etching of Steel. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Epstein, Samuel, and Henry S. Rawdon. Metallographic Features Revealed by Deep Etching of Steel. U.S. Government Printing Office, 1920.