APA (7th ed.) Citation

Roscoe, H. E. (1869). Spectrum analysis: Six lectures, delivered in 1868, before the Society of Apothecaries of London. Appleton.

Chicago Style (17th ed.) Citation

Roscoe, Henry E. Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of Apothecaries of London. New York: Appleton, 1869.

MLA (9th ed.) Citation

Roscoe, Henry E. Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of Apothecaries of London. Appleton, 1869.