APA Style
Roper, N. et al (1996).
The Elements of Nursing: A Model for Nursing Based on a Model of Living (4th).
New York:
Churchill Livingstone.
MLA Style
Roper, Nancy. et al.
"The Elements of Nursing: A Model for Nursing Based on a Model of Living".
4th
New York:
Churchill Livingstone,
1996.
Text.