Petersen, J. B. (1946). Algae: Collected by Eric Hultén on the Swedish Kamtchatka expedition 1920 - 22, especially from Hot Springs. Munksgaard.
Chicago-Zitierstil (17. Ausg.)Petersen, Johannes Boye. Algae: Collected by Eric Hultén on the Swedish Kamtchatka Expedition 1920 - 22, Especially from Hot Springs. København: Munksgaard, 1946.
MLA-Zitierstil (9. Ausg.)Petersen, Johannes Boye. Algae: Collected by Eric Hultén on the Swedish Kamtchatka Expedition 1920 - 22, Especially from Hot Springs. Munksgaard, 1946.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.