Cita APA

Sponland, I., & Thorstensen, M. L. (1938). My reasonable service. Augsburg publishing house.

Citación estilo Chicago

Sponland, Ingebord, y Mabel Louise Thorstensen. My Reasonable Service. Minneapolis, Minn: Augsburg publishing house, 1938.

Cita MLA

Sponland, Ingebord, y Mabel Louise Thorstensen. My Reasonable Service. Augsburg publishing house, 1938.