APA (7th ed.) Citation

Parkin, G. R. (1892). Imperial federation: The problem of national unity. Macmillan.

Chicago Style (17th ed.) Citation

Parkin, George R. Imperial Federation: The Problem of National Unity. London: Macmillan, 1892.

MLA (9th ed.) Citation

Parkin, George R. Imperial Federation: The Problem of National Unity. Macmillan, 1892.

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