Cita APA (7th ed.)

Ross, A. S. C., Mitford, N., Waugh, E., Sykes, C., & Betjeman, J. (1959). Noblesse oblige: An enquiry into the identifiable characteristics of the english aristocracy. Penguin Books.

Cita Chicago (17th ed.)

Ross, Alan S. C., Nancy Mitford, Evelyn Waugh, Christopher Sykes, i John Betjeman. Noblesse Oblige: An Enquiry into the Identifiable Characteristics of the English Aristocracy. Harmondsworth: Penguin Books, 1959.

Cita MLA (9th ed.)

Ross, Alan S. C., et al. Noblesse Oblige: An Enquiry into the Identifiable Characteristics of the English Aristocracy. Penguin Books, 1959.