Beam engines

MLA

Crowley, Terence Eldon. Beam Engines. Aylesbury: Shire Publications, 1975.

APA

Crowley, T. Eldon. (1975). Beam engines. Aylesbury: Shire Publications.

Chicago

Crowley, Terence Eldon, Beam Engines. Aylesbury: Shire Publications, 1975.