APA način citiranja (7. izdanje)

Johansen, P. (1972). An algebraic normal form for regular events. Polyteknisk Forlag.

Čikaški stil citiranja (17. izdanje)

Johansen, Peter. An Algebraic Normal Form for Regular Events. Lyngby: Polyteknisk Forlag, 1972.

MLA način citiranja (9. izdanje)

Johansen, Peter. An Algebraic Normal Form for Regular Events. Polyteknisk Forlag, 1972.