APA

Trigg C. W., . (1967). Mathematical quickies. New York: McGraw-Hill.

Chicago

Trigg Charles W, . 1967. Mathematical quickies. New York: McGraw-Hill.

Harvard

Trigg C. W., . (1967). Mathematical quickies. New York: McGraw-Hill.

MLA

Trigg Charles W, . Mathematical quickies. New York: McGraw-Hill. 1967.