Cita APA (7th ed.)

ALLEN ROBERT G. (2006). CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. FREE PRESS.

Cita Chicago (17th ed.)

ALLEN ROBERT G. CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. NEW YORK: FREE PRESS, 2006.

Cita MLA (9th ed.)

ALLEN ROBERT G. CREATING WEALTH: RETIRE IN TEN YEARS USING ALLEN`S SEVEN PRINCIPLES OF WEALTH. FREE PRESS, 2006.