Sullivan, R. C. (1988). Five Decades of Microforms at the Library of Congress.
Citazione stile Chigago Style (17a edizione)Sullivan, Robert C. Five Decades of Microforms at the Library of Congress. 1988.
Citatione MLA (9a ed.)Sullivan, Robert C. Five Decades of Microforms at the Library of Congress. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.