Cita APA (7th ed.)

Watts, D., & Ward, T. (1973). Athletics for the 70's. Arthur Barker ltd.

Cita Chicago (17th ed.)

Watts, Denis, i Tony Ward. Athletics for the 70's. London: Arthur Barker ltd, 1973.

Cita MLA (9th ed.)

Watts, Denis, i Tony Ward. Athletics for the 70's. Arthur Barker ltd, 1973.