"Zilliacus, K. (1949). I choose peace. Penguin books.
Chicago Style (17th ed.) Citation"Zilliacus, K.". I Choose Peace. Penguin books, 1949.
MLA (9th ed.) Citation"Zilliacus, K.". I Choose Peace. Penguin books, 1949.
Warning: These citations may not always be 100% accurate.