APA (7th ed.) Citation

Latham, R. G. (2014). Man and His Migrations. Project Gutenberg.

Chicago Style (17th ed.) Citation

Latham, R. G. Man and His Migrations. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Latham, R. G. Man and His Migrations. Project Gutenberg, 2014.

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