Cita APA (7th ed.)
National Academy of Engineering. (2014). Memorial tributes. National Academies Press.
Cita Chicago (17th ed.)
National Academy of Engineering. Memorial Tributes. Washington, District of Columbia: National Academies Press, 2014.
Cita MLA (9th ed.)
National Academy of Engineering. Memorial Tributes. National Academies Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.