APA (7th ed.) Citation

Richardson, E. C. (1927). An Index directory to special collections in North American libraries: Prepared for the A. L. A. Committee on bibliography and the Library of Congress (Provisional edition, unedited.). F. S. Cook & Son.

Chicago Style (17th ed.) Citation

Richardson, Ernest Cushing. An Index Directory to Special Collections in North American Libraries: Prepared for the A. L. A. Committee on Bibliography and the Library of Congress. Provisional edition, unedited. Yardley, Pa: F. S. Cook & Son, 1927.

MLA (9th ed.) Citation

Richardson, Ernest Cushing. An Index Directory to Special Collections in North American Libraries: Prepared for the A. L. A. Committee on Bibliography and the Library of Congress. Provisional edition, unedited. F. S. Cook & Son, 1927.