APA (7th ed.) Citation

Library of Congress. (1901). Memorandum, distribution of printed catalogue cards by Library of Congress. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. Memorandum, Distribution of Printed Catalogue Cards by Library of Congress. [Washington]: [publisher not identified], 1901.

MLA (9th ed.) Citation

Library of Congress. Memorandum, Distribution of Printed Catalogue Cards by Library of Congress. [publisher not identified], 1901.

Warning: These citations may not always be 100% accurate.