APA (7th ed.) Citation

Ober, F. A. (2006). Amerigo Vespucci. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ober, Frederick A. Amerigo Vespucci. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Ober, Frederick A. Amerigo Vespucci. Project Gutenberg, 2006.

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