APA (7th ed.) Zitazioa

Hubert, P. G. (2001). Men of achievement: Inventors. Digital Scanning.

Chicago Style (17th ed.) Zitazioa

Hubert, Philip Gengembre. Men of Achievement: Inventors. Scituate, Mass.: Digital Scanning, 2001.

MLA (9th ed.) Zitazioa

Hubert, Philip Gengembre. Men of Achievement: Inventors. Digital Scanning, 2001.