APA

Mummah H. R., Smith E. M., . (1981). The geriatric assistant. New York, N.Y: McGraw-Hill.

Chicago

Mummah Hazel R, Smith E Marsella, . 1981. The geriatric assistant. New York, N.Y: McGraw-Hill.

Harvard

Mummah H. R., Smith E. M., . (1981). The geriatric assistant. New York, N.Y: McGraw-Hill.

MLA

Mummah Hazel R, Smith E Marsella, . The geriatric assistant. New York, N.Y: McGraw-Hill. 1981.