Cita APA (7a ed.)

Hanley, S. (1846). A Monograph of the genus tellina. [s.n.].

Cita Chicago Style (17a ed.)

Hanley, Sylvanus. A Monograph of the Genus Tellina. London: [s.n.], 1846.

Cita MLA (9a ed.)

Hanley, Sylvanus. A Monograph of the Genus Tellina. [s.n.], 1846.