Cita APA (7a ed.)

Pelfrey, W. (2006). Billy, Alfred, and General Motors: The story of two unique men, a legendary company, and a remarkable time in American history. AMACOM, American Management Association.

Cita Chicago Style (17a ed.)

Pelfrey, William. Billy, Alfred, and General Motors: The Story of Two Unique Men, a Legendary Company, and a Remarkable Time in American History. New York: AMACOM, American Management Association, 2006.

Cita MLA (8a ed.)

Pelfrey, William. Billy, Alfred, and General Motors: The Story of Two Unique Men, a Legendary Company, and a Remarkable Time in American History. AMACOM, American Management Association, 2006.