APA-Zitierstil (7. Ausg.)

Bentley, J. L., & Kernighan, B. W. (1984). GRAP, a language for typesetting graphs: Tutorial and user manual. AT & T Bell Laboratories.

Chicago-Zitierstil (17. Ausg.)

Bentley, Jon Louis, und Brian W. Kernighan. GRAP, a Language for Typesetting Graphs: Tutorial and User Manual. Murray Hill, New Jersey: AT & T Bell Laboratories, 1984.

MLA-Zitierstil (9. Ausg.)

Bentley, Jon Louis, und Brian W. Kernighan. GRAP, a Language for Typesetting Graphs: Tutorial and User Manual. AT & T Bell Laboratories, 1984.