APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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