APA (7th ed.) Citation

Porch, D. (1977). The Portuguese armed forces and the revolution / (by) Douglas Porch. Croom Helm (etc.).

Chicago Style (17th ed.) Citation

Porch, Douglas. The Portuguese Armed Forces and the Revolution / (by) Douglas Porch. London: Croom Helm (etc.), 1977.

MLA (9th ed.) Citation

Porch, Douglas. The Portuguese Armed Forces and the Revolution / (by) Douglas Porch. Croom Helm (etc.), 1977.

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