APA (7th ed.) Citation

Piper, C. V. (1906). Flora of the state of Washington. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Piper, Charles V. Flora of the State of Washington. Washington: Govt. Print. Off., 1906.

MLA (8th ed.) Citation

Piper, Charles V. Flora of the State of Washington. Govt. Print. Off., 1906.

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