APA

Koestler A., . (1949). Promise and fulfilment: Palestine, 1917-1949. New York: Macmillan Co.

Chicago

Koestler Arthur, . 1949. Promise and fulfilment: Palestine, 1917-1949. New York: Macmillan Co.

Harvard

Koestler A., . (1949). Promise and fulfilment: Palestine, 1917-1949. New York: Macmillan Co.

MLA

Koestler Arthur, . Promise and fulfilment: Palestine, 1917-1949. New York: Macmillan Co. 1949.