Williams, H. (1952). Volcanic History of the Meseta Central Occidental, Costa Rica. Univ. of California Press.
Chicago Style (17th ed.) CitationWilliams, Howel. Volcanic History of the Meseta Central Occidental, Costa Rica. Berkeley [u.a.]: Univ. of California Press, 1952.
MLA (9th ed.) CitationWilliams, Howel. Volcanic History of the Meseta Central Occidental, Costa Rica. Univ. of California Press, 1952.
Warning: These citations may not always be 100% accurate.