Karson, R. S., Brown, J. R., Allaback, S., & Manning, W. H. (2017). Warren H. Manning: Landscape architect and environmental planner. Library of American Landscape History.
Chicago-Zitierstil (17. Ausg.)Karson, Robin S., Jane Roy Brown, Sarah Allaback, und Warren Henry Manning. Warren H. Manning: Landscape Architect and Environmental Planner. Amherst, Massachusetts: Library of American Landscape History, 2017.
MLA-Zitierstil (9. Ausg.)Karson, Robin S., et al. Warren H. Manning: Landscape Architect and Environmental Planner. Library of American Landscape History, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.