APA (7th ed.) Citation

Sykes, C. (1968). Troubled loyalty: A biography of Adam von Trott zu Zolz. Collins.

Chicago Style (17th ed.) Citation

Sykes, Christopher. Troubled Loyalty: A Biography of Adam Von Trott Zu Zolz. London: Collins, 1968.

MLA (8th ed.) Citation

Sykes, Christopher. Troubled Loyalty: A Biography of Adam Von Trott Zu Zolz. Collins, 1968.