APA (7th ed.) Citation

Christianson, C. P. (1990). A directory of London stationers and book artisans, 1300-1500. Bibliographical Society of America.

Chicago Style (17th ed.) Citation

Christianson, C. Paul. A Directory of London Stationers and Book Artisans, 1300-1500. New York: Bibliographical Society of America, 1990.

MLA (9th ed.) Citation

Christianson, C. Paul. A Directory of London Stationers and Book Artisans, 1300-1500. Bibliographical Society of America, 1990.