APA

Hyman V. T., . (1988). Seven days to Petrograd. New York, N.Y., U.S.A: Viking.

Chicago

Hyman Vernon Tom, . 1988. Seven days to Petrograd. New York, N.Y., U.S.A: Viking.

Harvard

Hyman V. T., . (1988). Seven days to Petrograd. New York, N.Y., U.S.A: Viking.

MLA

Hyman Vernon Tom, . Seven days to Petrograd. New York, N.Y., U.S.A: Viking. 1988.