APA (7th ed.) Citation

Byars, B. (1977). Løsning n[umme]r 18[atten]. Aschehoug <Nygaard>.

Chicago Style (17th ed.) Citation

Byars, Betsy. Løsning N[umme]r 18[atten]. Oslo: Aschehoug <Nygaard>, 1977.

MLA (9th ed.) Citation

Byars, Betsy. Løsning N[umme]r 18[atten]. Aschehoug <Nygaard>, 1977.

Warning: These citations may not always be 100% accurate.