APA način citiranja (7. izdanje)

Hobbs, G. M. (1972). Practical mathematics (3rd.ed.). American technical.

Čikaški stil citiranja (17. izdanje)

Hobbs, Glen M. Practical Mathematics. 3rd.ed. Illinois: American technical, 1972.

MLA način citiranja (9. izdanje)

Hobbs, Glen M. Practical Mathematics. 3rd.ed. American technical, 1972.