APA

Seiffert R., . (2001). The Dark Room. London: William Heinemann.

Chicago

Seiffert R, . 2001. The Dark Room. London: William Heinemann.

Harvard

Seiffert R., . (2001). The Dark Room. London: William Heinemann.

MLA

Seiffert R, . The Dark Room. London: William Heinemann. 2001.