APA

Couderc P., . (1952). The expansion of the universe. New York: Macmillan.

Chicago

Couderc Paul, . 1952. The expansion of the universe. New York: Macmillan.

Harvard

Couderc P., . (1952). The expansion of the universe. New York: Macmillan.

MLA

Couderc Paul, . The expansion of the universe. New York: Macmillan. 1952.