Cita APA (7a ed.)

O'Grady, A. (1975). The ibis seal. P. Davies.

Cita Chicago Style (17a ed.)

O'Grady, Anne. The Ibis Seal. London: P. Davies, 1975.

Cita MLA (8a ed.)

O'Grady, Anne. The Ibis Seal. P. Davies, 1975.