APA

Nichols K. A., . (1996). Psychological care in physical illness. London: Chapman & Hall.

Chicago

Nichols Keith A, . 1996. Psychological care in physical illness. London: Chapman & Hall.

Harvard

Nichols K. A., . (1996). Psychological care in physical illness. London: Chapman & Hall.

MLA

Nichols Keith A, . Psychological care in physical illness. London: Chapman & Hall. 1996.