APA (7th ed.) Citation

Allen, E. T. (1902). The western hemlock. Govt. print. off.

Chicago Style (17th ed.) Citation

Allen, Edward Tyson. The Western Hemlock. Washington: Govt. print. off, 1902.

MLA (9th ed.) Citation

Allen, Edward Tyson. The Western Hemlock. Govt. print. off, 1902.

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