APA (7th ed.) Citation

Williams, H. (1952). Volcanic history of the Meseta Central Occidental, Costa Rica. University of California Press.

Chicago Style (17th ed.) Citation

Williams, Howel. Volcanic History of the Meseta Central Occidental, Costa Rica. Berkeley: University of California Press, 1952.

MLA (9th ed.) Citation

Williams, Howel. Volcanic History of the Meseta Central Occidental, Costa Rica. University of California Press, 1952.