APA (7th ed.) Citation

Abbott, E. A. (1994). Flatland: A Romance of Many Dimensions. Project Gutenberg.

Chicago Style (17th ed.) Citation

Abbott, Edwin Abbott. Flatland: A Romance of Many Dimensions. Project Gutenberg, 1994.

MLA (9th ed.) Citation

Abbott, Edwin Abbott. Flatland: A Romance of Many Dimensions. Project Gutenberg, 1994.

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