APA (7th ed.) Citation

Tolstaia, S. A., Spiridonov, V. S., Woolf, L., & Koteliansky, S. S. (2011). Autobiography of Countess Tolstoy. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tolstaia, S. A., V. S. Spiridonov, Leonard Woolf, and S. S. Koteliansky. Autobiography of Countess Tolstoy. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Tolstaia, S. A., et al. Autobiography of Countess Tolstoy. Project Gutenberg, 2011.

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