Citazione Stile APA (7a Edizione)

Nearing, G. (1947). The lichen book: Handbook of the lichens of Northeastern United States ; 700 drawings by the author. E. Lundberg.

Citazione stile Chigago Style (17a edizione)

Nearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. Ashton, Md: E. Lundberg, 1947.

Citatione MLA (9a ed.)

Nearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. E. Lundberg, 1947.