APA (7th ed.) Citation

Wentworth, C. K. (1938). ... Ash formations of the island Hawaii. The Hawaiian volcano research association.

Chicago Style (17th ed.) Citation

Wentworth, Chester K. ... Ash Formations of the Island Hawaii. Honolulu, T. H.: The Hawaiian volcano research association, 1938.

MLA (9th ed.) Citation

Wentworth, Chester K. ... Ash Formations of the Island Hawaii. The Hawaiian volcano research association, 1938.