APA (7th ed.) Citation

Ingersoll, E. (2013). The Crest of the Continent A Summer's Ramble in the Rocky Mountains and Beyond. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ingersoll, Ernest. The Crest of the Continent A Summer's Ramble in the Rocky Mountains and Beyond. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Ingersoll, Ernest. The Crest of the Continent A Summer's Ramble in the Rocky Mountains and Beyond. Project Gutenberg, 2013.

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