Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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