Cita APA (7a ed.)

Cameron, D., Elliot, J., Loy, M., Raymond, E., & Rosenblatt, B. (2004). Learning GNU Emacs: A guide to the world's most extensible, customizable editor (3rd ed.). O'Reilly.

Cita Chicago Style (17a ed.)

Cameron, Debra, James Elliot, Marc Loy, Eric Raymond, y Bill Rosenblatt. Learning GNU Emacs: A Guide to the World's Most Extensible, Customizable Editor. 3rd ed. Sebastopol, California: O'Reilly, 2004.

Cita MLA (9a ed.)

Cameron, Debra, et al. Learning GNU Emacs: A Guide to the World's Most Extensible, Customizable Editor. 3rd ed. O'Reilly, 2004.