APA (7th ed.) Citation

Hall, A. L., & Molengraaff, G. A. F. (1925). The Vredefort Mountain Land in the Southern Transvaal and the Northern Orange Free State. Koninklijke Akad. van Wetenschappen.

Chicago Style (17th ed.) Citation

Hall, Arthur Lewis, and Gustaaf Adolf Frederik Molengraaff. The Vredefort Mountain Land in the Southern Transvaal and the Northern Orange Free State. Amsterdam: Koninklijke Akad. van Wetenschappen, 1925.

MLA (9th ed.) Citation

Hall, Arthur Lewis, and Gustaaf Adolf Frederik Molengraaff. The Vredefort Mountain Land in the Southern Transvaal and the Northern Orange Free State. Koninklijke Akad. van Wetenschappen, 1925.