APA (7th ed.) Citation

Alvarez. (1999). Allied and axis signals intelligence in World War II. Frank Cass.

Chicago Style (17th ed.) Citation

Alvarez. Allied and Axis Signals Intelligence in World War II. London: Frank Cass, 1999.

MLA (8th ed.) Citation

Alvarez. Allied and Axis Signals Intelligence in World War II. Frank Cass, 1999.