APA (7th ed.) Citation

Laffin, J. (1988). World War I in postcards. A. Sutton.

Chicago Style (17th ed.) Citation

Laffin, John. World War I in Postcards. Gloucester: A. Sutton, 1988.

MLA (8th ed.) Citation

Laffin, John. World War I in Postcards. A. Sutton, 1988.

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