APA

Smith W., . (1970). Problems in modern physics. New York: Gordon and Breach Science Publishers.

Chicago

Smith Willy, . 1970. Problems in modern physics. New York: Gordon and Breach Science Publishers.

Harvard

Smith W., . (1970). Problems in modern physics. New York: Gordon and Breach Science Publishers.

MLA

Smith Willy, . Problems in modern physics. New York: Gordon and Breach Science Publishers. 1970.