Citazione Stile APA (7a Edizione)

Guidotti, R. A., Kesterke, D. C., & Atkinson, G. B. (1976). Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (in two parts). U.S. Dept. of the Interior.

Citazione stile Chigago Style (17a edizione)

Guidotti, Ronald A., Donald C. Kesterke, e G. B. Atkinson. Nitride Intermediates in the Preparation of Columbium, Vanadium, and Tantalum Metals (in Two Parts). Washington, DC: U.S. Dept. of the Interior, 1976.

Citatione MLA (9a ed.)

Guidotti, Ronald A., et al. Nitride Intermediates in the Preparation of Columbium, Vanadium, and Tantalum Metals (in Two Parts). U.S. Dept. of the Interior, 1976.