Quetico-Superior Wilderness Research Center & Lakela, O. (1962). Revised check-list of ferns and flowering plants of the Quetico-Superior Wilderness Research Center. the Center.
Chicago-Zitierstil (17. Ausg.)Quetico-Superior Wilderness Research Center und Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. Ely, Minn.: the Center, 1962.
MLA-Zitierstil (8. Ausg.)Quetico-Superior Wilderness Research Center und Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. the Center, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.