APA (7th ed.) Citation

Smith, E. E., & Wessolowski, H. W. (2007). Skylark Three. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, E. E., and Hans Waldemar Wessolowski. Skylark Three. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Smith, E. E., and Hans Waldemar Wessolowski. Skylark Three. Project Gutenberg, 2007.

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