APA način citiranja (7. izdanje)

Gibbons, J. (1995). An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag.

Čikaški stil citiranja (17. izdanje)

Gibbons, J. An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag, 1995.

MLA način citiranja (9. izdanje)

Gibbons, J. An Initial−Algebra Approach to Directed Acyclic Graphs. Springer−Verlag, 1995.