Spencer, H., Reynolds, L., & Coe, B. (1973). The relative effectiveness of ten alternative systems of typographic coding in bibliographical material. Royal College of Art, Readability of Print Research Unit.
Chicago Style (17th ed.) CitationSpencer, Herbert, Linda Reynolds, and Brian Coe. The Relative Effectiveness of Ten Alternative Systems of Typographic Coding in Bibliographical Material. [London]: Royal College of Art, Readability of Print Research Unit, 1973.
MLA (8th ed.) CitationSpencer, Herbert, et al. The Relative Effectiveness of Ten Alternative Systems of Typographic Coding in Bibliographical Material. Royal College of Art, Readability of Print Research Unit, 1973.
Warning: These citations may not always be 100% accurate.