ASTM Subcommittee F08.52 on Playing Surfaces and Facilities, Artificial and Natural Symposium on the Characteristics and Safety of Playing Surfaces for Field Sports, & Schmidt, R. C. (1990). Natural and artificial playing fields : characteristics and safety features / Schmidt ... (et al.) editors.: Characteristics and safety features. ASTM.
Chicago Style (17th ed.) CitationASTM Subcommittee F08.52 on Playing Surfaces and Facilities, Artificial and Natural Symposium on the Characteristics and Safety of Playing Surfaces for Field Sports, and Roger C. Schmidt. Natural and Artificial Playing Fields : Characteristics and Safety Features / Schmidt ... (et Al.) Editors.: Characteristics and Safety Features. Philadelphia, Pa.: ASTM, 1990.
MLA (9th ed.) CitationASTM Subcommittee F08.52 on Playing Surfaces and Facilities, et al. Natural and Artificial Playing Fields : Characteristics and Safety Features / Schmidt ... (et Al.) Editors.: Characteristics and Safety Features. ASTM, 1990.