APA (7th ed.) Citation

Bash, B. (1994). Ancient ones: The world of the old-growth Douglas fir. Sierra Club Books for Children.

Chicago Style (17th ed.) Citation

Bash, Barbara. Ancient Ones: The World of the Old-growth Douglas Fir. San Francisco: Sierra Club Books for Children, 1994.

MLA (9th ed.) Citation

Bash, Barbara. Ancient Ones: The World of the Old-growth Douglas Fir. Sierra Club Books for Children, 1994.