APA (7th ed.) Citation

Sinclair, B. W. (2011). The Land of Frozen Suns. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sinclair, Bertrand W. The Land of Frozen Suns. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Sinclair, Bertrand W. The Land of Frozen Suns. Project Gutenberg, 2011.

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