Cita APA

Kliegman, R. M., ST Geme, J. W., & Blum, N. J. (2020). Nelson textbook of pediatrics (21th ed.). Amsterdam: Elsevier.

Chicago Style Citation

Kliegman, Robert M., Joseph W. ST Geme, i Nathan J. Blum. Nelson Textbook of Pediatrics. 21th ed. Amsterdam: Elsevier, 2020.

Cita MLA

Kliegman, Robert M., Joseph W. ST Geme, i Nathan J. Blum. Nelson Textbook of Pediatrics. 21th ed. Amsterdam: Elsevier, 2020.