Citazione Stile APA (7a Edizione)

Barraclough, G. (1963). European unity in thought and action: Vogelenzang lecture 1963. B. Blackwell.

Citazione stile Chigago Style (17a edizione)

Barraclough, Geoffrey. European Unity in Thought and Action: Vogelenzang Lecture 1963. Oxford: B. Blackwell, 1963.

Citatione MLA (9a ed.)

Barraclough, Geoffrey. European Unity in Thought and Action: Vogelenzang Lecture 1963. B. Blackwell, 1963.