APA

Thurston H. A., . (1957). The number-system. New York: Interscience Publishers.

Chicago

Thurston H A, . 1957. The number-system. New York: Interscience Publishers.

Harvard

Thurston H. A., . (1957). The number-system. New York: Interscience Publishers.

MLA

Thurston H A, . The number-system. New York: Interscience Publishers. 1957.