Flexner, J. T. (1978). Steamboats come true: American inventors in action : newly illustrated and with a new foreword. Little, Brown.
Цитирование в стиле Чикаго (17-е изд.)Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Boston: Little, Brown, 1978.
Цитирование MLA (8-е изд.)Flexner, James Thomas. Steamboats Come True: American Inventors in Action : Newly Illustrated and with a New Foreword. Little, Brown, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.