APA (7th ed.) Citation

Sobral, J. M. (1913). Contributions to the geology of the Nordingra region. Almquist & Wiksells boktryckeri.

Chicago Style (17th ed.) Citation

Sobral, José M. Contributions to the Geology of the Nordingra Region. Uppsala: Almquist & Wiksells boktryckeri, 1913.

MLA (8th ed.) Citation

Sobral, José M. Contributions to the Geology of the Nordingra Region. Almquist & Wiksells boktryckeri, 1913.

Warning: These citations may not always be 100% accurate.