APA-referens (7:e uppl.)

Packard, H. S., & Butler, W. H. St. Paul's Church, Cor. Fourth & Jackson Streets, Wilmington, Del., erected by Rt. Rev. Dr. Becker, First Bishop of Wilmington. Philadelphia: Packard & Butler.

Chicago-referens (17:e uppl.)

Packard, Herbert S., och William H. Butler. St. Paul's Church, Cor. Fourth & Jackson Streets, Wilmington, Del., Erected by Rt. Rev. Dr. Becker, First Bishop of Wilmington. Philadelphia: Packard & Butler.

MLA-referens (8:e uppl.)

Packard, Herbert S., och William H. Butler. St. Paul's Church, Cor. Fourth & Jackson Streets, Wilmington, Del., Erected by Rt. Rev. Dr. Becker, First Bishop of Wilmington. Philadelphia: Packard & Butler.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.