Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Quetico-Superior Wilderness Research Center και Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. Ely, Minn.: the Center, 1962.

Παραπομπή σε μορφή MLA (8th εκδ.)

Quetico-Superior Wilderness Research Center και Olga Lakela. Revised Check-list of Ferns and Flowering Plants of the Quetico-Superior Wilderness Research Center. the Center, 1962.