APA (7th ed.) Citation

Berns, R. S., Taplin, L. A., Imai, F. H., Day, E. A., & Day, D. C. A Comparison of Small-Aperture and Image-Based Spectrophotometry of Paintings.

Chicago Style (17th ed.) Citation

Berns, Roy S., Lawrence A. Taplin, Francisco H. Imai, Ellen A. Day, and David C. Day. A Comparison of Small-Aperture and Image-Based Spectrophotometry of Paintings.

MLA (9th ed.) Citation

Berns, Roy S., et al. A Comparison of Small-Aperture and Image-Based Spectrophotometry of Paintings.