APA
National Council of Educational Research and Training, . (1966). Biology: a textbook for higher secondary schools section 4: plant and animal physiology and section 5: self-perpetuation or reproduction. New Delhi: NCERT.
Chicago
National Council of Educational Research and Training, . 1966. Biology: a textbook for higher secondary schools section 4: plant and animal physiology and section 5: self-perpetuation or reproduction. New Delhi: NCERT.
Harvard
National Council of Educational Research and Training, . (1966). Biology: a textbook for higher secondary schools section 4: plant and animal physiology and section 5: self-perpetuation or reproduction. New Delhi: NCERT.
MLA
National Council of Educational Research and Training, . Biology: a textbook for higher secondary schools section 4: plant and animal physiology and section 5: self-perpetuation or reproduction. New Delhi: NCERT. 1966.