Cita APA (7a ed.)

Orem, D. E. (1985). Nursing: Concepts of practice (3rd. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Orem, Dorothea E. Nursing: Concepts of Practice. 3rd. ed. New York ; St. Louis: McGraw-Hill, 1985.

Cita MLA (9a ed.)

Orem, Dorothea E. Nursing: Concepts of Practice. 3rd. ed. McGraw-Hill, 1985.