APA

Steinmetz C. P., . (1923). Four lectures on relativity and space. New York [etc.]: McGraw-Hill Book Company, inc.

Chicago

Steinmetz Charles Proteus, . 1923. Four lectures on relativity and space. New York [etc.]: McGraw-Hill Book Company, inc.

Harvard

Steinmetz C. P., . (1923). Four lectures on relativity and space. New York [etc.]: McGraw-Hill Book Company, inc.

MLA

Steinmetz Charles Proteus, . Four lectures on relativity and space. New York [etc.]: McGraw-Hill Book Company, inc. 1923.