Cita APA (7a ed.)

(1967). Creevey and Greville /Joanna Richardson. Longmans, Green and Co..

Cita Chicago Style (17a ed.)

Creevey and Greville /Joanna Richardson. Londres: Longmans, Green and Co., 1967.

Cita MLA (9a ed.)

Creevey and Greville /Joanna Richardson. Longmans, Green and Co., 1967.