APA Цитирование

Joseph Wood Krutch. (1968). Grand Canyon: Today and its yesterday. New York: Apollo.

Chicago-стиль цитирования

Joseph Wood Krutch. Grand Canyon: Today and Its Yesterday. New York: Apollo, 1968.

MLA-цитирование

Joseph Wood Krutch. Grand Canyon: Today and Its Yesterday. New York: Apollo, 1968.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.