APA (7th ed.) Citation

Bonnell, J. T., & Nemiroff, R. J. (1994). The Number "e". Project Gutenberg.

Chicago Style (17th ed.) Citation

Bonnell, Jerry T., and Robert J. Nemiroff. The Number "E". Project Gutenberg, 1994.

MLA (9th ed.) Citation

Bonnell, Jerry T., and Robert J. Nemiroff. The Number "E". Project Gutenberg, 1994.

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