APA (7th ed.) Citation

(1924). Natural regeneration of Douglas fir in Pacific Northwest. GPO.

Chicago Style (17th ed.) Citation

Natural Regeneration of Douglas Fir in Pacific Northwest. [Washington]: GPO, 1924.

MLA (9th ed.) Citation

Natural Regeneration of Douglas Fir in Pacific Northwest. GPO, 1924.

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