APA (7th ed.) Citation

International Federation of Library Associations and Institutions. Working Group on Principles Underlying Subject Heading Languages, International Federation of Library Associations and Institutions. Section on Classification and Indexing. Standing Committee, Lopes, M. I., & Beall, J. (1999). Principles underlying subject heading languages (SHLs). K.G. Saur.

Chicago Style (17th ed.) Citation

International Federation of Library Associations and Institutions. Working Group on Principles Underlying Subject Heading Languages, International Federation of Library Associations and Institutions. Section on Classification and Indexing. Standing Committee, Maria Inês Lopes, and Julianne Beall. Principles Underlying Subject Heading Languages (SHLs). München: K.G. Saur, 1999.

MLA (8th ed.) Citation

International Federation of Library Associations and Institutions. Working Group on Principles Underlying Subject Heading Languages, et al. Principles Underlying Subject Heading Languages (SHLs). K.G. Saur, 1999.