APA (7th ed.) Citation

Piper, H. B. (2008). Five Sci-Fi Short Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Piper, H. Beam. Five Sci-Fi Short Stories. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Piper, H. Beam. Five Sci-Fi Short Stories. Project Gutenberg, 2008.

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