Petersen, J. B. (1946). Algae: Collected by Eric Hultén on the Swedish Kamtchatka expedition 1920 - 22, especially from Hot Springs. Munksgaard.
Chicago Style (17th ed.) CitationPetersen, Johannes Boye. Algae: Collected by Eric Hultén on the Swedish Kamtchatka Expedition 1920 - 22, Especially from Hot Springs. København: Munksgaard, 1946.
MLA (9th ed.) CitationPetersen, Johannes Boye. Algae: Collected by Eric Hultén on the Swedish Kamtchatka Expedition 1920 - 22, Especially from Hot Springs. Munksgaard, 1946.
Warning: These citations may not always be 100% accurate.