APA (7th ed.) Citation

D, K. (2004). Letters. Paediatric Nursing, 16(7), 8.

Chicago Style (17th ed.) Citation

D, Key. "Letters." Paediatric Nursing 16, no. 7 (2004): 8.

MLA (9th ed.) Citation

D, Key. "Letters." Paediatric Nursing, vol. 16, no. 7, 2004, p. 8.