Gaya APA

Clump, C, S. (-1944). A catholic's guide to social and political action, (3d impr.). Penerbitan asli 1939. . Oxford: Catholic social guild.

Gaya MLA

Clump, C.C.,, S.J.. "A catholic's guide to social and political action, (3d impr.). Penerbitan asli 1939. ". Oxford: Catholic social guild, -1944. Buku.