APA (7th ed.) Citation

Beiersdorf, H., Kudrass, H., & Stackelberg, U. v. (1980). Placer deposits of ilmenite and zircon on the Zambezi shelf. Schweizerbart.

Chicago Style (17th ed.) Citation

Beiersdorf, Helmut, Hermann-Rudolf Kudrass, and Ulrich von Stackelberg. Placer Deposits of Ilmenite and Zircon on the Zambezi Shelf. Stuttgart: Schweizerbart, 1980.

MLA (9th ed.) Citation

Beiersdorf, Helmut, et al. Placer Deposits of Ilmenite and Zircon on the Zambezi Shelf. Schweizerbart, 1980.