APA (7th ed.) Citation

Svenonius, E. (1981). Directions for Research in Indexing, Classification, and Cataloging.

Chicago Style (17th ed.) Citation

Svenonius, Elaine. Directions for Research in Indexing, Classification, and Cataloging. 1981.

MLA (9th ed.) Citation

Svenonius, Elaine. Directions for Research in Indexing, Classification, and Cataloging. 1981.

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