APA (7th ed.) Citation

Riegel, R. E. (1948). Tests for United States of America. C. Scribner's Sons.

Chicago Style (17th ed.) Citation

Riegel, Robert Edgar. Tests for United States of America. New York : Chicago [etc.]: C. Scribner's Sons, 1948.

MLA (8th ed.) Citation

Riegel, Robert Edgar. Tests for United States of America. C. Scribner's Sons, 1948.