APA

Maurer M., . (1987). Aviation in the U. S. Army, 1919-1939. Washington, D.C: Off. of Air Force History.

Chicago

Maurer Maurer, . 1987. Aviation in the U. S. Army, 1919-1939. Washington, D.C: Off. of Air Force History.

Harvard

Maurer M., . (1987). Aviation in the U. S. Army, 1919-1939. Washington, D.C: Off. of Air Force History.

MLA

Maurer Maurer, . Aviation in the U. S. Army, 1919-1939. Washington, D.C: Off. of Air Force History. 1987.