APA (7th ed.) Citation

Yard, R. S. (1924). An analysis of Lafayette national park: A report by Robert Sterling Yard. The National parks association.

Chicago Style (17th ed.) Citation

Yard, Robert Sterling. An Analysis of Lafayette National Park: A Report by Robert Sterling Yard. Washington, D.C.: The National parks association, 1924.

MLA (9th ed.) Citation

Yard, Robert Sterling. An Analysis of Lafayette National Park: A Report by Robert Sterling Yard. The National parks association, 1924.