APA

Schoonover M. A., Bowie J. S., Arnold W. R. & Arnold W. R. (19921991). GNU Emacs. Reading, Mass. [u.a.]: Addison-Wesley.

Chicago

Schoonover Michael A, Bowie John S, Arnold William R and Arnold William R. 19921991. GNU Emacs. Reading, Mass. [u.a.]: Addison-Wesley.

Harvard

Schoonover M. A., Bowie J. S., Arnold W. R. and Arnold W. R. (19921991). GNU Emacs. Reading, Mass. [u.a.]: Addison-Wesley.

MLA

Schoonover Michael A, Bowie John S, Arnold William R and Arnold William R. GNU Emacs. Reading, Mass. [u.a.]: Addison-Wesley. 19921991.