APA citiranje

Poskitt, K. R., & McCollum, C. (1987). Pinch skin grafting or porcine dermis in venous ulcers: : Authors' reply.

Citação norma Chicago

Poskitt, K R., and Charles McCollum. Pinch Skin Grafting or Porcine Dermis in Venous Ulcers: : Authors' Reply. 1987.

MLA citiranje

Poskitt, K R., and Charles McCollum. Pinch Skin Grafting or Porcine Dermis in Venous Ulcers: : Authors' Reply. 1987.