APA

United States, . (198). Postal Service: mailings by selected religious organizations. [Washington, D.C: .

Chicago

United States, . 198. Postal Service: mailings by selected religious organizations. [Washington, D.C: .

Harvard

United States, . (198). Postal Service: mailings by selected religious organizations. [Washington, D.C: .

MLA

United States, . Postal Service: mailings by selected religious organizations. [Washington, D.C: . 198.