Let's look at spin crashes /
by H.G. Crowley and Edward B. Heyl.

APA Citation

Crowley, H. G., Heyl, E. B., United States. Civil Aeronautics Board. Bureau of Safety. (1948). Let's look at spin crashes. Washington, D.C.: Civil Aeronautics Board, Safety Bureau .

MLA Citation

Crowley, Harold G, Edward B Heyl, and United States. Civil Aeronautics Board. Bureau of Safety. Let's Look At Spin Crashes. Washington, D.C.: Civil Aeronautics Board, Safety Bureau , 1948.

Warning: These citations may not always be complete (especially for serials).