Cita APA (7a ed.)

Undset, S., Hammar, T., & Metzger, M. (1950). Ida Elisabeth. Editions de la Paix.

Cita Chicago Style (17a ed.)

Undset, Sigrid, Thekla Hammar, y M. Metzger. Ida Elisabeth. Bruxelles: Editions de la Paix, 1950.

Cita MLA (9a ed.)

Undset, Sigrid, et al. Ida Elisabeth. Editions de la Paix, 1950.