APA (7th ed.) Citation

Gellis, S. S. (1969). The year book of pediatrics: 1969. Year Book Medical Publishers.

Chicago Style (17th ed.) Citation

Gellis, Sydney S. The Year Book of Pediatrics: 1969. Chicago: Year Book Medical Publishers, 1969.

MLA (8th ed.) Citation

Gellis, Sydney S. The Year Book of Pediatrics: 1969. Year Book Medical Publishers, 1969.

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