APA (7th ed.) Citation

Mortensen, T. (1918). The Crinoidea of the swedish antarctic expeditions. Lithogr. Institut d. Generalstabs [u.a.].

Chicago Style (17th ed.) Citation

Mortensen, Theodor. The Crinoidea of the Swedish Antarctic Expeditions. Stockholm [u.a.]: Lithogr. Institut d. Generalstabs [u.a.], 1918.

MLA (9th ed.) Citation

Mortensen, Theodor. The Crinoidea of the Swedish Antarctic Expeditions. Lithogr. Institut d. Generalstabs [u.a.], 1918.