Citazione Stile APA (7a Edizione)

Smullyan, R. M. (1980). This book needs no title: A budget of living paradoxes. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Smullyan, Raymond M. This Book Needs No Title: A Budget of Living Paradoxes. Englewood Cliffs, N.J.: Prentice-Hall, 1980.

Citatione MLA (9a ed.)

Smullyan, Raymond M. This Book Needs No Title: A Budget of Living Paradoxes. Prentice-Hall, 1980.