APA (7th ed.) Citation

Marshall, A. Principles of economics An introductory volume. The Macmillan Company.

Chicago Style (17th ed.) Citation

Marshall, Alfred. Principles of Economics An Introductory Volume. The Macmillan Company.

MLA (8th ed.) Citation

Marshall, Alfred. Principles of Economics An Introductory Volume. The Macmillan Company.

Warning: These citations may not always be 100% accurate.