Hansen, R., & Elson, F. A beginner's geology of the Spokane area. Spokane Area Community Resources Workshop.
Цитирование в стиле Чикаго (17-е изд.)Hansen, Rosella, и Frances Elson. A Beginner's Geology of the Spokane Area. Spokane: Spokane Area Community Resources Workshop.
Цитирование MLA (8-е изд.)Hansen, Rosella, и Frances Elson. A Beginner's Geology of the Spokane Area. Spokane Area Community Resources Workshop.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.