Trích dẫn APA

Ruff, H. J. (1978). How to prosper during the coming bad years: A crash course in personal and financial survival. New York: Times Books.

Trích dẫn kiểu Chicago

Ruff, Howard J. How to Prosper During the Coming Bad Years: A Crash Course in Personal and Financial Survival. New York: Times Books, 1978.

Trích dẫn MLA

Ruff, Howard J. How to Prosper During the Coming Bad Years: A Crash Course in Personal and Financial Survival. New York: Times Books, 1978.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.