Cita APA (7th ed.)

Boothroyd, B. (1971). Philip, an informal biography. Longman.

Cita Chicago (17th ed.)

Boothroyd, Basil. Philip, an Informal Biography. London: Longman, 1971.

Cita MLA (8th ed.)

Boothroyd, Basil. Philip, an Informal Biography. Longman, 1971.