APA (7th ed.) Citation

Library of Congress & Grzybowski, K. (1969). Poland in the collections of the Library of Congress: An overview. Library of Congress.

Chicago Style (17th ed.) Citation

Library of Congress and Kazimierz Grzybowski. Poland in the Collections of the Library of Congress: An Overview. Washington: Library of Congress, 1969.

MLA (9th ed.) Citation

Library of Congress and Kazimierz Grzybowski. Poland in the Collections of the Library of Congress: An Overview. Library of Congress, 1969.