APA (7th ed.) Citation

Johnson, C. (1990). The Sierra Club guide to sketching in nature. Sierra Club Books.

Chicago Style (17th ed.) Citation

Johnson, Cathy. The Sierra Club Guide to Sketching in Nature. San Francisco: Sierra Club Books, 1990.

MLA (9th ed.) Citation

Johnson, Cathy. The Sierra Club Guide to Sketching in Nature. Sierra Club Books, 1990.

Warning: These citations may not always be 100% accurate.