APA način citiranja (7. izdanje)

Willging, E. P. (1937). The Index to American Catholic pamphlets. Catholic Library Service.

Čikaški stil citiranja (17. izdanje)

Willging, Eugene P. The Index to American Catholic Pamphlets. [Saint Paul, Minn.: Catholic Library Service, 1937.

MLA način citiranja (8. izdanje)

Willging, Eugene P. The Index to American Catholic Pamphlets. Catholic Library Service, 1937.