Cita APA (7a ed.)

Walk, M. H. A. L. H. v. d. (1956). A few observations on the text of Plotinus. [s.n.].

Cita Chicago Style (17a ed.)

Walk, M. H. A. L. H. van der. A Few Observations on the Text of Plotinus. [S.l.]: [s.n.], 1956.

Cita MLA (9a ed.)

Walk, M. H. A. L. H. van der. A Few Observations on the Text of Plotinus. [s.n.], 1956.