The Roy adaptation model :
the definitive statement /
Callista Roy, Heather A. Andrews.

APA Citation

Roy, C., Andrews, H. A. (1991). The Roy adaptation model: the definitive statement. Norwalk, Conn.: Appleton & Lange.

MLA Citation

Roy, Callista, and Heather A Andrews. The Roy Adaptation Model: the Definitive Statement. Norwalk, Conn.: Appleton & Lange, 1991.

Warning: These citations may not always be complete (especially for serials).