Cita APA (7a ed.)

Gold, P. (1994). A stone in Spain's shoe: The search for a solution to the problem of Gibraltar. Liverpool University Press.

Cita Chicago Style (17a ed.)

Gold, Peter. A Stone in Spain's Shoe: The Search for a Solution to the Problem of Gibraltar. Liverpool: Liverpool University Press, 1994.

Cita MLA (8a ed.)

Gold, Peter. A Stone in Spain's Shoe: The Search for a Solution to the Problem of Gibraltar. Liverpool University Press, 1994.