Cita APA (7th ed.)

Flexner, J. T. (1978). Steamboats come true: American inventors in action : newly illustrated and with a new foreword. Little, Brown.

Cita Chicago (17th ed.)

Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Boston: Little, Brown, 1978.

Cita MLA (8th ed.)

Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Little, Brown, 1978.