Powell, J. W., & Kephart, H. (1915). First through the Grand Canyon: Being the record of the pioneer exploration of the Colorado River in 1869-70. Outing Publishing Co..
Chicago Style (17th ed.) CitationPowell, John Wesley, and Horace Kephart. First Through the Grand Canyon: Being the Record of the Pioneer Exploration of the Colorado River in 1869-70. New York: Outing Publishing Co., 1915.
MLA (9th ed.) CitationPowell, John Wesley, and Horace Kephart. First Through the Grand Canyon: Being the Record of the Pioneer Exploration of the Colorado River in 1869-70. Outing Publishing Co., 1915.
Warning: These citations may not always be 100% accurate.