Cita APA (7a ed.)

Laing, M. (1972). Edward Heath, Prime Minister. Sidgwick & Jackson.

Cita Chicago Style (17a ed.)

Laing, Margaret. Edward Heath, Prime Minister. London: Sidgwick & Jackson, 1972.

Cita MLA (9a ed.)

Laing, Margaret. Edward Heath, Prime Minister. Sidgwick & Jackson, 1972.