University Microfilms International. (1988). Underground press collection: A guide to the microfilm collection : Hoover Institution supplement. UMI.
Čikaški stil citiranja (17. izdanje)University Microfilms International. Underground Press Collection: A Guide to the Microfilm Collection : Hoover Institution Supplement. Ann Arbor, Mich.: UMI, 1988.
MLA način citiranja (8. izdanje)University Microfilms International. Underground Press Collection: A Guide to the Microfilm Collection : Hoover Institution Supplement. UMI, 1988.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.