APA (7th ed.) Citation

Lellinger, D. B. (1985). A field manual of the ferns & fern-allies of the United States & Canada. Smithsonian Inst. Pr.

Chicago Style (17th ed.) Citation

Lellinger, David B. A Field Manual of the Ferns & Fern-allies of the United States & Canada. Washington, DC: Smithsonian Inst. Pr, 1985.

MLA (9th ed.) Citation

Lellinger, David B. A Field Manual of the Ferns & Fern-allies of the United States & Canada. Smithsonian Inst. Pr, 1985.

Warning: These citations may not always be 100% accurate.