Citazione Stile APA (7a Edizione)

Harbuck, D. D. (1992). Gallium and germanium recovery from domestic sources. U.S. Dept. of the Interior, Bureau of Mines.

Citazione stile Chigago Style (17a edizione)

Harbuck, D. D. Gallium and Germanium Recovery from Domestic Sources. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1992.

Citatione MLA (9a ed.)

Harbuck, D. D. Gallium and Germanium Recovery from Domestic Sources. U.S. Dept. of the Interior, Bureau of Mines, 1992.