APA (7th ed.) Citation

Brown, H. G., & Brown, M. O. L. (1950). A directory of the book-arts and book trade in Philadelphia to 1820: Including painters and engravers. New York Public Library.

Chicago Style (17th ed.) Citation

Brown, H. Glenn, and Maude O. Larson Brown. A Directory of the Book-arts and Book Trade in Philadelphia to 1820: Including Painters and Engravers. New York: New York Public Library, 1950.

MLA (9th ed.) Citation

Brown, H. Glenn, and Maude O. Larson Brown. A Directory of the Book-arts and Book Trade in Philadelphia to 1820: Including Painters and Engravers. New York Public Library, 1950.