Cita APA (7th ed.)

Ecker, T. (1974). Track and field dynamics (2d ed.). Tafnews Press.

Cita Chicago (17th ed.)

Ecker, Tom. Track and Field Dynamics. 2d ed. Los Altos, Calif: Tafnews Press, 1974.

Cita MLA (9th ed.)

Ecker, Tom. Track and Field Dynamics. 2d ed. Tafnews Press, 1974.