ScienceDirect (Online service). Library collections, acquisitions & technical services. Pergamon.
Chicago Style (17th ed.) CitationScienceDirect (Online service). Library Collections, Acquisitions & Technical Services. [Oxford] : [New York]: Pergamon.
MLA (8th ed.) CitationScienceDirect (Online service). Library Collections, Acquisitions & Technical Services. Pergamon.
Warning: These citations may not always be 100% accurate.