Cita APA (7a ed.)

Skemp, J. B. (1947). Plants in Plato's Timaeus. [s.n.].

Cita Chicago Style (17a ed.)

Skemp, Joseph Bright. Plants in Plato's Timaeus. [S.l.]: [s.n.], 1947.

Cita MLA (9a ed.)

Skemp, Joseph Bright. Plants in Plato's Timaeus. [s.n.], 1947.