Mary Brackett Willcox papers MC 10. Philadelphia Archdiocesan Historical Research Center.
Čikaški stil citiranja (17. izdanje)Mary Brackett Willcox Papers MC 10. Philadelphia Archdiocesan Historical Research Center.
MLA način citiranja (8. izdanje)Mary Brackett Willcox Papers MC 10. Philadelphia Archdiocesan Historical Research Center.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.