Cita APA (7th ed.)

Roetter, C. (1963). The diplomatic art, an informal history of world diplomacy. Macrae Smith.

Cita Chicago (17th ed.)

Roetter, Charles. The Diplomatic Art, an Informal History of World Diplomacy. Philadelphia: Macrae Smith, 1963.

Cita MLA (9th ed.)

Roetter, Charles. The Diplomatic Art, an Informal History of World Diplomacy. Macrae Smith, 1963.