APA (7th ed.) Citation

Sieverts, E. G., & Hofstede, M. (1991). Software for Information Storage and Retrieval Tested, Evaluated and Compared. Part 1. General Introduction.

Chicago Style (17th ed.) Citation

Sieverts, Eric G., and Marten Hofstede. Software for Information Storage and Retrieval Tested, Evaluated and Compared. Part 1. General Introduction. 1991.

MLA (9th ed.) Citation

Sieverts, Eric G., and Marten Hofstede. Software for Information Storage and Retrieval Tested, Evaluated and Compared. Part 1. General Introduction. 1991.

Warning: These citations may not always be 100% accurate.