APA

Denmark, Plovgaard S., . (1971). Public library buildings: standards and type plans for library premises in areas with populations of between 5,000 and 25,000. London: Library Association.

Chicago

Denmark, Plovgaard Sven, . 1971. Public library buildings: standards and type plans for library premises in areas with populations of between 5,000 and 25,000. London: Library Association.

Harvard

Denmark, Plovgaard S., . (1971). Public library buildings: standards and type plans for library premises in areas with populations of between 5,000 and 25,000. London: Library Association.

MLA

Denmark, Plovgaard Sven, . Public library buildings: standards and type plans for library premises in areas with populations of between 5,000 and 25,000. London: Library Association. 1971.