Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Hough, W. (1922). Synoptic series of objects in the United States National Museum illustrating the history of inventions. United States National Museum.

Chicago Citation Edition Citation

Hough, Walter. Synoptic Series of Objects in the United States National Museum Illustrating the History of Inventions. Washington-DC: United States National Museum, 1922.

MLA Citation Edition Citation

Hough, Walter. Synoptic Series of Objects in the United States National Museum Illustrating the History of Inventions. United States National Museum, 1922.