APA (7th ed.) Citation

Library Pass, LLC. (2016). Valve Presents Volume 1: The Sacrifice and Other Steam Powered Stories. Dark Horse.

Chicago Style (17th ed.) Citation

Library Pass, LLC. Valve Presents Volume 1: The Sacrifice and Other Steam Powered Stories. [United States]: Dark Horse, 2016.

MLA (9th ed.) Citation

Library Pass, LLC. Valve Presents Volume 1: The Sacrifice and Other Steam Powered Stories. Dark Horse, 2016.