APA (7th ed.) Citation

Gellis, S. S. (1979). The year book of pediatrics 1973. Year Book Medical Publishers.

Chicago Style (17th ed.) Citation

Gellis, Sidney S. The Year Book of Pediatrics 1973. Chicago: Year Book Medical Publishers, 1979.

MLA (8th ed.) Citation

Gellis, Sidney S. The Year Book of Pediatrics 1973. Year Book Medical Publishers, 1979.

Warning: These citations may not always be 100% accurate.