APA (7th ed.) Citation

Irwin, R. (1949). The libraries of London: 17 lectures delivered at the University of London School of Librarianship in April, 1948. Library Assoc.

Chicago Style (17th ed.) Citation

Irwin, Raymond. The Libraries of London: 17 Lectures Delivered at the University of London School of Librarianship in April, 1948. London: Library Assoc, 1949.

MLA (9th ed.) Citation

Irwin, Raymond. The Libraries of London: 17 Lectures Delivered at the University of London School of Librarianship in April, 1948. Library Assoc, 1949.