APA (7th ed.) Citation

Hubbard, D. H. (1952). Ferns of Hawaii National Park. [Printed by 14 ND Publications & Printing Office].

Chicago Style (17th ed.) Citation

Hubbard, Douglass H. Ferns of Hawaii National Park. [Pearl Harbor, T. H.]: [Printed by 14 ND Publications & Printing Office], 1952.

MLA (9th ed.) Citation

Hubbard, Douglass H. Ferns of Hawaii National Park. [Printed by 14 ND Publications & Printing Office], 1952.

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