Cita APA (7a ed.)

Lehrer, H. R. (2014). Flying the Beam: Navigating the Early US Airmail Airways, 1917-1941. Purdue University Press.

Cita Chicago Style (17a ed.)

Lehrer, Henry R. Flying the Beam: Navigating the Early US Airmail Airways, 1917-1941. West Lafayette, Indiana: Purdue University Press, 2014.

Cita MLA (8a ed.)

Lehrer, Henry R. Flying the Beam: Navigating the Early US Airmail Airways, 1917-1941. Purdue University Press, 2014.