APA (7th ed.) Citation

Sierra Club & Brown, J. E. (1984). The Sierra Club guides to the national parks of the Pacific Southwest and Hawaii.

Chicago Style (17th ed.) Citation

Sierra Club and Joseph E. Brown. The Sierra Club Guides to the National Parks of the Pacific Southwest and Hawaii. 1984.

MLA (9th ed.) Citation

Sierra Club and Joseph E. Brown. The Sierra Club Guides to the National Parks of the Pacific Southwest and Hawaii. 1984.

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