Lerche, G., & Steensberg, A. (1980). Agricultural tools and field shapes : twenty five years of activity by the International Secretariat / Grith Lerche and Axel Steensberg: Twenty five years of activity by the International Secretariat. National Museum of Denmark.
Chicago Style (17th ed.) CitationLerche, Grith, and Axel Steensberg. Agricultural Tools and Field Shapes : Twenty Five Years of Activity by the International Secretariat / Grith Lerche and Axel Steensberg: Twenty Five Years of Activity by the International Secretariat. Copenhagen: National Museum of Denmark, 1980.
MLA (9th ed.) CitationLerche, Grith, and Axel Steensberg. Agricultural Tools and Field Shapes : Twenty Five Years of Activity by the International Secretariat / Grith Lerche and Axel Steensberg: Twenty Five Years of Activity by the International Secretariat. National Museum of Denmark, 1980.