Wolpert, R. C., Genet, R., & Wolpert, J. (1983). Advances in photoelectric photometry. Fairborn Observatory.
Cita Chicago (17th ed.)Wolpert, Robert C., Russell Genet, i Jill Wolpert. Advances in Photoelectric Photometry. Fairborn, Ohio: Fairborn Observatory, 1983.
Cita MLA (8th ed.)Wolpert, Robert C., et al. Advances in Photoelectric Photometry. Fairborn Observatory, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.