APA

Exner R. M., Rosskopf M. F., . (1959). Logic in elementary mathematics. New York: McGraw-Hill.

Chicago

Exner Robert M, Rosskopf Myron Frederick, . 1959. Logic in elementary mathematics. New York: McGraw-Hill.

Harvard

Exner R. M., Rosskopf M. F., . (1959). Logic in elementary mathematics. New York: McGraw-Hill.

MLA

Exner Robert M, Rosskopf Myron Frederick, . Logic in elementary mathematics. New York: McGraw-Hill. 1959.