Flexner, J. T. (1978). Steamboats come true: American inventors in action : newly illustrated and with a new foreword. Little, Brown.
Chicago-Zitierstil (17. Ausg.)Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Boston: Little, Brown, 1978.
MLA-Zitierstil (8. Ausg.)Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Little, Brown, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.