APA aipamena

Hanson, C. F., Wallberg, A. C., & Tegnér, E. (1898). Fridthjof and Ingeborg: Opera in three acts. Hanson.

Chicago Style aipamena

Hanson, Carl F., Anna Cronhjelm Wallberg, and Esaias Tegnér. Fridthjof and Ingeborg: Opera in Three Acts. Worcester, Mass.: Hanson, 1898.

MLA aipamena

Hanson, Carl F., et al. Fridthjof and Ingeborg: Opera in Three Acts. Hanson, 1898.