APA (7th ed.) Citation

Rorer, S. T. H. (2011). Twenty Quick Soups. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rorer, Sarah Tyson Heston. Twenty Quick Soups. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Rorer, Sarah Tyson Heston. Twenty Quick Soups. Project Gutenberg, 2011.

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