APA引文

Groot, G. E. d. (1963). Rugose corals from the Carboniferous of northern Palencia (Spain). Druk van J.J. Groen.

Chicago Style (17th ed.) Citation

Groot, G. E. de. Rugose Corals from the Carboniferous of Northern Palencia (Spain). Leiden: Druk van J.J. Groen, 1963.

MLA引文

Groot, G. E. de. Rugose Corals from the Carboniferous of Northern Palencia (Spain). Druk van J.J. Groen, 1963.