APA (7th ed.) Citation

Udall, S. L. (1971). America's natural treasures: National nature monuments and seashores.

Chicago Style (17th ed.) Citation

Udall, Stewart L. America's Natural Treasures: National Nature Monuments and Seashores. 1971.

MLA (9th ed.) Citation

Udall, Stewart L. America's Natural Treasures: National Nature Monuments and Seashores. 1971.

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