National Council of Educational of Educational Training. (1967). Biology, a textbook for higher secondary schools: Evolution, heredity and adaptation and general. NCERT.
Chicago Style (17th ed.) CitationNational Council of Educational of Educational Training. Biology, a Textbook for Higher Secondary Schools: Evolution, Heredity and Adaptation and General. New Delhi: NCERT, 1967.
MLA (9th ed.) CitationNational Council of Educational of Educational Training. Biology, a Textbook for Higher Secondary Schools: Evolution, Heredity and Adaptation and General. NCERT, 1967.
Warning: These citations may not always be 100% accurate.