APA (7th ed.) Citation

Steel, F. A. W. (2012). Marmaduke. Project Gutenberg.

Chicago Style (17th ed.) Citation

Steel, Flora Annie Webster. Marmaduke. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Steel, Flora Annie Webster. Marmaduke. Project Gutenberg, 2012.

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