APA (7th ed.) Citation

Valk, M. H. A. L. A. v. d. (1956). A Few Observations on the Text of Plotinus.

Chicago Style (17th ed.) Citation

Valk, Marchinus H. A. L. A. van der. A Few Observations on the Text of Plotinus. 1956.

MLA (9th ed.) Citation

Valk, Marchinus H. A. L. A. van der. A Few Observations on the Text of Plotinus. 1956.