APA (7th ed.) Citation

Allen, C. G. (1975). A manual of European languages for librarians. Bowker [for] the London School of Economics.

Chicago Style (17th ed.) Citation

Allen, C. G. A Manual of European Languages for Librarians. London ; New York: Bowker [for] the London School of Economics, 1975.

MLA (8th ed.) Citation

Allen, C. G. A Manual of European Languages for Librarians. Bowker [for] the London School of Economics, 1975.