APA (7th ed.) Citation

Shackleton, E. H. (2003). My South Polar Expedition. Project Gutenberg.

Chicago Style (17th ed.) Citation

Shackleton, Ernest Henry. My South Polar Expedition. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Shackleton, Ernest Henry. My South Polar Expedition. Project Gutenberg, 2003.

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