Allen, L. F. J. Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument.
Chicago Style (17th ed.) CitationAllen, Leland F.; Jepson. Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument.
MLA (9th ed.) CitationAllen, Leland F.; Jepson. Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument.
Warning: These citations may not always be 100% accurate.