Cita APA (7a ed.)

Gray, J. W. (1866). Synopsis of the Species of Starfish in the British Museum.

Cita Chicago Style (17a ed.)

Gray, John W. Synopsis of the Species of Starfish in the British Museum. 1866.

Cita MLA (9a ed.)

Gray, John W. Synopsis of the Species of Starfish in the British Museum. 1866.