APA (7th ed.) Citation

Gellis, S. S. (1971). The year book of pediatrics 1971. Year Book Medical Publishers Inc..

Chicago Style (17th ed.) Citation

Gellis, Sydney S. The Year Book of Pediatrics 1971. Chicago: Year Book Medical Publishers Inc., 1971.

MLA (8th ed.) Citation

Gellis, Sydney S. The Year Book of Pediatrics 1971. Year Book Medical Publishers Inc., 1971.

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