APA

Levy Leonard, Karet Keeneth L, . (1986). Encyclopaedia of the American constitution.Vol.1. New York: Mac Millon Publishing Co.

Chicago

Levy Leonard, Karet Keeneth L, . 1986. Encyclopaedia of the American constitution.Vol.1. New York: Mac Millon Publishing Co.

Harvard

Levy Leonard, Karet Keeneth L, . (1986). Encyclopaedia of the American constitution.Vol.1. New York: Mac Millon Publishing Co.

MLA

Levy Leonard, Karet Keeneth L, . Encyclopaedia of the American constitution.Vol.1. New York: Mac Millon Publishing Co. 1986.