Cita APA (7a ed.)

English Language Services. (1965). The presidency in conflict. Collier-Macmillan.

Cita Chicago Style (17a ed.)

English Language Services. The Presidency in Conflict. London: Collier-Macmillan, 1965.

Cita MLA (9a ed.)

English Language Services. The Presidency in Conflict. Collier-Macmillan, 1965.