APA

Rossiter C, . (1961). The american presidency. N.-Y: The new american library.

Chicago

Rossiter C, . 1961. The american presidency. N.-Y: The new american library.

Harvard

Rossiter C, . (1961). The american presidency. N.-Y: The new american library.

MLA

Rossiter C, . The american presidency. N.-Y: The new american library. 1961.