APA

Salisbury H. E., . (1969). The 900 days: the siege of Leningrad. New York: Harper & Row.

Chicago

Salisbury Harrison Evans, . 1969. The 900 days: the siege of Leningrad. New York: Harper & Row.

Harvard

Salisbury H. E., . (1969). The 900 days: the siege of Leningrad. New York: Harper & Row.

MLA

Salisbury Harrison Evans, . The 900 days: the siege of Leningrad. New York: Harper & Row. 1969.