APA (7th ed.) Citation

Nagashima, K., & Machin, J. S. (1957). Spectrochemical determination of copper, nickel, and vanadium in crude petroleum. [publisher not identified].

Chicago Style (17th ed.) Citation

Nagashima, Kozo, and James Stewart Machin. Spectrochemical Determination of Copper, Nickel, and Vanadium in Crude Petroleum. Urbana: [publisher not identified], 1957.

MLA (9th ed.) Citation

Nagashima, Kozo, and James Stewart Machin. Spectrochemical Determination of Copper, Nickel, and Vanadium in Crude Petroleum. [publisher not identified], 1957.