Cita APA (7a ed.)
EG, S., & M, H. (1991). Software for information storage and retrieval tested, evaluated and compared: General introduction... part 1. Electronic Library, 9(3), 145-155.
Cita Chicago Style (17a ed.)
EG, Sieverts, y Hofstede M. "Software for Information Storage and Retrieval Tested, Evaluated and Compared: General Introduction... Part 1." Electronic Library 9, no. 3 (1991): 145-155.
Cita MLA (9a ed.)
EG, Sieverts, y Hofstede M. "Software for Information Storage and Retrieval Tested, Evaluated and Compared: General Introduction... Part 1." Electronic Library, vol. 9, no. 3, 1991, pp. 145-155.
Precaución: Estas citas no son 100% exactas.