APA (7th ed.) Citation

Drews, G. (1952). The patent right in the national economy of the United States. Central Book Co.

Chicago Style (17th ed.) Citation

Drews, Gustav. The Patent Right in the National Economy of the United States. New York: Central Book Co, 1952.

MLA (9th ed.) Citation

Drews, Gustav. The Patent Right in the National Economy of the United States. Central Book Co, 1952.