Cita APA (7a ed.)

Spencer, F. A. (1941). Air mail payment and the government. Brookings Institution.

Cita Chicago Style (17a ed.)

Spencer, Francis A. Air Mail Payment and the Government. Washington: Brookings Institution, 1941.

Cita MLA (9a ed.)

Spencer, Francis A. Air Mail Payment and the Government. Brookings Institution, 1941.