APA (7th ed.) Citation

Royal baking powder company, N. Y. (2011). New Royal Cook Book. Project Gutenberg.

Chicago Style (17th ed.) Citation

Royal baking powder company, New York. New Royal Cook Book. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Royal baking powder company, New York. New Royal Cook Book. Project Gutenberg, 2011.

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