APA (7th ed.) Citation

Hahn, H. (2016). Harley Hahn's Emacs Field Guide. Apress : Imprint: Apress.

Chicago Style (17th ed.) Citation

Hahn, Harley. Harley Hahn's Emacs Field Guide. Berkeley, CA: Apress : Imprint: Apress, 2016.

MLA (8th ed.) Citation

Hahn, Harley. Harley Hahn's Emacs Field Guide. Apress : Imprint: Apress, 2016.

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