APA (7th ed.) Citation

Vethake, H. (1838). The principles of political economy. P. H. Nicklin & T. Johnson.

Chicago Style (17th ed.) Citation

Vethake, Henry. The Principles of Political Economy. Philadelphia: P. H. Nicklin & T. Johnson, 1838.

MLA (9th ed.) Citation

Vethake, Henry. The Principles of Political Economy. P. H. Nicklin & T. Johnson, 1838.

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