Rutgers, A., & Norris, K. A. (1977). The handbook of foreign birds in color: Their care in cage and aviary (English edition, fourth revised edition.). Blanford Press.
Chicago Style (17th ed.) CitationRutgers, Abram, and K. A. Norris. The Handbook of Foreign Birds in Color: Their Care in Cage and Aviary. English edition, fourth revised edition. Poole, [England]: Blanford Press, 1977.
MLA (9th ed.) CitationRutgers, Abram, and K. A. Norris. The Handbook of Foreign Birds in Color: Their Care in Cage and Aviary. English edition, fourth revised edition. Blanford Press, 1977.
Warning: These citations may not always be 100% accurate.