APA (7th ed.) Citation

Singer, B. (1911). Patent and trade mark laws of the world. [Hammond press, W. B. Conkey company].

Chicago Style (17th ed.) Citation

Singer, Berthold. Patent and Trade Mark Laws of the World. Chicago: [Hammond press, W. B. Conkey company], 1911.

MLA (9th ed.) Citation

Singer, Berthold. Patent and Trade Mark Laws of the World. [Hammond press, W. B. Conkey company], 1911.

Warning: These citations may not always be 100% accurate.