APA aipamena

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 aipamena

Spencer, 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 aipamena

Spencer, 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.