APA (7th ed.) Citation

Spencer, H., Reynolds, L., & Coe, B. (1973). A comparison of the effectiveness of selected typographic variations / by H. Spencer, L. Reynolds and B. Coe. Royal College of Art, Readability of Print Unit.

Chicago Style (17th ed.) Citation

Spencer, H., L. Reynolds, and B. Coe. A Comparison of the Effectiveness of Selected Typographic Variations / by H. Spencer, L. Reynolds and B. Coe. Royal College of Art, Readability of Print Unit, 1973.

MLA (9th ed.) Citation

Spencer, H., et al. A Comparison of the Effectiveness of Selected Typographic Variations / by H. Spencer, L. Reynolds and B. Coe. Royal College of Art, Readability of Print Unit, 1973.

Warning: These citations may not always be 100% accurate.