APA (7th ed.) Citation

Stevenson, R. L. (1996). Across the Plains, with Other Memories and Essays. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stevenson, Robert Louis. Across the Plains, with Other Memories and Essays. Project Gutenberg, 1996.

MLA (9th ed.) Citation

Stevenson, Robert Louis. Across the Plains, with Other Memories and Essays. Project Gutenberg, 1996.

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