Παραπομπή APA

Petroski, H. (1999). The book on the bookshelf. Vintage books.

Παραπομπή Chicago Style

Petroski, Henry. The Book on the Bookshelf. New York: Vintage books, 1999.

Παραπομπή MLA

Petroski, Henry. The Book on the Bookshelf. Vintage books, 1999.