Seeds, M. A. (1990). Foundations of astronomy (1990 edition.). Wadsworth Publishing Company.
Citación estilo ChicagoSeeds, Michael A. Foundations of Astronomy. 1990 edition. Belmont, California: Wadsworth Publishing Company, 1990.
Cita MLASeeds, Michael A. Foundations of Astronomy. 1990 edition. Wadsworth Publishing Company, 1990.
Warning: These citations may not always be 100% accurate.