Cita APA (7th ed.)

SCOTT PECK. (1990). ROAD LESS TRAVELLED. ARROW BUSINESS.

Cita Chicago (17th ed.)

SCOTT PECK. ROAD LESS TRAVELLED. NEW ZEALAND: ARROW BUSINESS, 1990.

Cita MLA (9th ed.)

SCOTT PECK. ROAD LESS TRAVELLED. ARROW BUSINESS, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.