APA (7th ed.) Citation

Oldfield, R. B. (2007). Exciting Adventures of Mister Robert Robin. Project Gutenberg.

Chicago Style (17th ed.) Citation

Oldfield, Reuben Bertram. Exciting Adventures of Mister Robert Robin. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Oldfield, Reuben Bertram. Exciting Adventures of Mister Robert Robin. Project Gutenberg, 2007.

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