APA Format
Ridley, Jasper. (1987.).
Elizabeth I / Jasper Ridley
. London :: Constable,.
MLA Format
Ridley, Jasper.
Elizabeth I / Jasper Ridley
. London :: Constable,, 1987.
Chicago Format
Ridley, Jasper. Elizabeth I / Jasper Ridley. London :: Constable,, 1987..