Time stopped at 6:30 : the untold story of the Katyn massacre

MLA

Wittlin, Tadeusz. Time Stopped At 6:30 : the Untold Story of the Katyn Massacre. Indianapolis: Bobbs-Merrill, 1965.

APA

Wittlin, T. (1965). Time stopped at 6:30 : the untold story of the Katyn massacre. Indianapolis: Bobbs-Merrill.

Chicago

Wittlin, Tadeusz. Time Stopped At 6:30: The Untold Story of the Katyn Massacre. Indianapolis: Bobbs-Merrill, 1965.