APA (7th ed.) Citation

Melville, T., & Melville, M. (1971). Guatemala - another Vietnam? Penguin Books.

Chicago Style (17th ed.) Citation

Melville, Thomas, and Marjorie Melville. Guatemala - Another Vietnam? Hormondsworth: Penguin Books, 1971.

MLA (9th ed.) Citation

Melville, Thomas, and Marjorie Melville. Guatemala - Another Vietnam? Penguin Books, 1971.

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