APA
Gellis S. S., Kagan B. M., . (1964). Current pediatric therapy. Philadelphia: Saunders.
Chicago
Gellis Sydney S, Kagan Benjamin M, . 1964. Current pediatric therapy. Philadelphia: Saunders.
Harvard
Gellis S. S., Kagan B. M., . (1964). Current pediatric therapy. Philadelphia: Saunders.
MLA
Gellis Sydney S, Kagan Benjamin M, . Current pediatric therapy. Philadelphia: Saunders. 1964.
