APA
Roper N., Logan W. W. a. & Teirney Alison jt. author. (1990). The elements of nursing. Edinbugh: Churchill Livingstone.
Chicago
Roper Nancy, Logan Winifred W.jt author and Teirney Alison jt. author. 1990. The elements of nursing. Edinbugh: Churchill Livingstone.
Harvard
Roper N., Logan W. W. a. and Teirney Alison jt. author. (1990). The elements of nursing. Edinbugh: Churchill Livingstone.
MLA
Roper Nancy, Logan Winifred W.jt author and Teirney Alison jt. author. The elements of nursing. Edinbugh: Churchill Livingstone. 1990.