Cita APA (7a ed.)
Tuckman, H. P., Coyle, S., & Bae, Y. (1990). On time to the doctorate: A study of the increased time to complete doctorates in science and engineering. National Academy Press.
Cita Chicago Style (17a ed.)
Tuckman, Howard P., Susan Coyle, y Yupin Bae. On Time to the Doctorate: A Study of the Increased Time to Complete Doctorates in Science and Engineering. Washington, D.C.: National Academy Press, 1990.
Cita MLA (9a ed.)
Tuckman, Howard P., et al. On Time to the Doctorate: A Study of the Increased Time to Complete Doctorates in Science and Engineering. National Academy Press, 1990.
Precaución: Estas citas no son 100% exactas.