APA (7th ed.) Citation

Negretti, H., & Zambra, J. (2011). A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility. Project Gutenberg.

Chicago Style (17th ed.) Citation

Negretti, Henry, and Joseph Zambra. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Negretti, Henry, and Joseph Zambra. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility. Project Gutenberg, 2011.

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