APA

Ratcliffe S., . (2001). People on people: the Oxford dictionary of biographical quotations. Oxford: Oxford University Press.

Chicago

Ratcliffe Susan, . 2001. People on people: the Oxford dictionary of biographical quotations. Oxford: Oxford University Press.

Harvard

Ratcliffe S., . (2001). People on people: the Oxford dictionary of biographical quotations. Oxford: Oxford University Press.

MLA

Ratcliffe Susan, . People on people: the Oxford dictionary of biographical quotations. Oxford: Oxford University Press. 2001.