Harper, J. C. (1952). Relationship of aerification, irrigation, and compaction to phosphorus penetration, root development, and population changes in a mixed turf of permanent grasses.
Chicago Style (17th ed.) CitationHarper, John C. Relationship of Aerification, Irrigation, and Compaction to Phosphorus Penetration, Root Development, and Population Changes in a Mixed Turf of Permanent Grasses. 1952.
MLA (9th ed.) CitationHarper, John C. Relationship of Aerification, Irrigation, and Compaction to Phosphorus Penetration, Root Development, and Population Changes in a Mixed Turf of Permanent Grasses. 1952.
Warning: These citations may not always be 100% accurate.