Cita APA (7a ed.)

(1965). Susan Ferrier and John Galt. Longmans, Green and Co..

Cita Chicago Style (17a ed.)

Susan Ferrier and John Galt. Londres: Longmans, Green and Co., 1965.

Cita MLA (8a ed.)

Susan Ferrier and John Galt. Longmans, Green and Co., 1965.