Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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