Gaya APA

Shafer, K, N. et al (1975). Medical-surgical nursing: 6th edition (Ed. 6). United States of America: C. V. Mosby Company.

Gaya MLA

Shafer, Kathleen, Newton. et al. "Medical-surgical nursing: 6th edition". Ed. 6 United States of America: C. V. Mosby Company, 1975. Text.