Cita APA (7a ed.)

Sleeman, J. H. (1926). Some notes on Plotinus. [s.n.].

Cita Chicago Style (17a ed.)

Sleeman, John Herbert. Some Notes on Plotinus. [S.l.]: [s.n.], 1926.

Cita MLA (9a ed.)

Sleeman, John Herbert. Some Notes on Plotinus. [s.n.], 1926.