APA (7th ed.) Citation

McElroy, J. (2010). Si Klegg, Book 3 Si and Shorty Meet Mr. Rosenbaum, the Spy, Who Relates His Adventures. Project Gutenberg.

Chicago Style (17th ed.) Citation

McElroy, John. Si Klegg, Book 3 Si and Shorty Meet Mr. Rosenbaum, the Spy, Who Relates His Adventures. Project Gutenberg, 2010.

MLA (9th ed.) Citation

McElroy, John. Si Klegg, Book 3 Si and Shorty Meet Mr. Rosenbaum, the Spy, Who Relates His Adventures. Project Gutenberg, 2010.

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