Cita APA (7th ed.)

Robson, W. (1978). Essays and studies 1978. John Murray.

Cita Chicago (17th ed.)

Robson, W.W. Essays and Studies 1978. London: John Murray, 1978.

Cita MLA (9th ed.)

Robson, W.W. Essays and Studies 1978. John Murray, 1978.