APA (7th ed.) Citation

Hubbard, W. F. (1906). Maple sugar and sirup. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Hubbard, William F. Maple Sugar and Sirup. Washington: Gov. Print. Off, 1906.

MLA (9th ed.) Citation

Hubbard, William F. Maple Sugar and Sirup. Gov. Print. Off, 1906.