APA

United States, . (1985). Costs associated with former presidents and their dependents. [Washington, D.C: .

Chicago

United States, . 1985. Costs associated with former presidents and their dependents. [Washington, D.C: .

Harvard

United States, . (1985). Costs associated with former presidents and their dependents. [Washington, D.C: .

MLA

United States, . Costs associated with former presidents and their dependents. [Washington, D.C: . 1985.