APA (7th ed.) Citation

Sonnenfeldt, H. (1978). Can Europe really be defended? Encounter. - ed. by Stephen Spender [u.a.].

Chicago Style (17th ed.) Citation

Sonnenfeldt, Helmut. "Can Europe Really Be Defended?" Encounter. - Ed. by Stephen Spender [u.a.] 1978.

MLA (8th ed.) Citation

Sonnenfeldt, Helmut. "Can Europe Really Be Defended?" Encounter. - Ed. by Stephen Spender [u.a.], 1978.