Principles of economics,
an introductory volume,
by Alfred Marshall.
APA Citation
Marshall, A. (1936). Principles of economics: an introductory volume. 8th ed. London: Macmillan and co., limited.
MLA Citation
Marshall, Alfred, 1842-1924. Principles of Economics: an Introductory Volume. 8th ed. London: Macmillan and co., limited, 1936.
Warning: These citations may not always be complete (especially for serials).