APA (7th ed.) Citation

Tolstoy, L., & Hapgood, I. F. (2003). On the Significance of Science and Art. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tolstoy, Leo, and Isabel Florence Hapgood. On the Significance of Science and Art. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Tolstoy, Leo, and Isabel Florence Hapgood. On the Significance of Science and Art. Project Gutenberg, 2003.

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