Boyle, W. (2019). A friend is a gift you give yourself: A novel (First Pegasus Books hardcover edition.). Pegasus Crime.
Цитирование в стиле Чикаго (17-е изд.)Boyle, William. A Friend Is a Gift You Give Yourself: A Novel. First Pegasus Books hardcover edition. New York: Pegasus Crime, 2019.
Цитирование MLA (8-е изд.)Boyle, William. A Friend Is a Gift You Give Yourself: A Novel. First Pegasus Books hardcover edition. Pegasus Crime, 2019.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.