Cita APA (7th ed.)
National Academy of Engineering & ebrary, Inc. (1994). Memorial tributes. National Academy Press.
Cita Chicago (17th ed.)
National Academy of Engineering i Inc ebrary. Memorial Tributes. Washington, D.C.: National Academy Press, 1994.
Cita MLA (9th ed.)
National Academy of Engineering i Inc ebrary. Memorial Tributes. National Academy Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.