Citazione Stile APA (7a Edizione)

Mikkelsen, E. (1909). Conquering the arctic ice. With numerous illustrations and maps (1a. ed.). William Heinemann.

Citazione stile Chigago Style (17a edizione)

Mikkelsen, Ejnar. Conquering the Arctic Ice. With Numerous Illustrations and Maps. 1a. ed. Londres: William Heinemann, 1909.

Citatione MLA (9a ed.)

Mikkelsen, Ejnar. Conquering the Arctic Ice. With Numerous Illustrations and Maps. 1a. ed. William Heinemann, 1909.