APA (7th ed.) Citation

Gibbon, L. Exploration of the Valley of the Amazon, Part 2 (of 2).

Chicago Style (17th ed.) Citation

Gibbon, Lardner. Exploration of the Valley of the Amazon, Part 2 (of 2).

MLA (9th ed.) Citation

Gibbon, Lardner. Exploration of the Valley of the Amazon, Part 2 (of 2).

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