Cita APA (7a ed.)

PEALE NORMAN VINCENT. (1967). ENTHUSIASM MAKES THE DIFFERENCE. FAWCETT BOOKS.

Cita Chicago Style (17a ed.)

PEALE NORMAN VINCENT. ENTHUSIASM MAKES THE DIFFERENCE. NEW YORK: FAWCETT BOOKS, 1967.

Cita MLA (9a ed.)

PEALE NORMAN VINCENT. ENTHUSIASM MAKES THE DIFFERENCE. FAWCETT BOOKS, 1967.