Cita APA (7th ed.)

Ralston, D., & Tarshis, B. (1977). Six weeks to a better level of tennis. simon ad Schuster.

Cita Chicago (17th ed.)

Ralston, Dennis, i Barry Tarshis. Six Weeks to a Better Level of Tennis. New York: simon ad Schuster, 1977.

Cita MLA (9th ed.)

Ralston, Dennis, i Barry Tarshis. Six Weeks to a Better Level of Tennis. simon ad Schuster, 1977.