APA (7th ed.) Citation

Oliver, C. A. (1998). ABC's of Science. Project Gutenberg.

Chicago Style (17th ed.) Citation

Oliver, Charles A. ABC's of Science. Project Gutenberg, 1998.

MLA (9th ed.) Citation

Oliver, Charles A. ABC's of Science. Project Gutenberg, 1998.

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