APA

Walsh W. H., . (1966). Metaphysics. London: Hutchinson University Library.

Chicago

Walsh William Henry, . 1966. Metaphysics. London: Hutchinson University Library.

Harvard

Walsh W. H., . (1966). Metaphysics. London: Hutchinson University Library.

MLA

Walsh William Henry, . Metaphysics. London: Hutchinson University Library. 1966.