Cita APA (7a ed.)

Sawtell, R. (1990). Cooperative work for the next century. Wanda.

Cita Chicago Style (17a ed.)

Sawtell, Roger. Cooperative Work for the Next Century. Wimborne, Dorset: Wanda, 1990.

Cita MLA (9a ed.)

Sawtell, Roger. Cooperative Work for the Next Century. Wanda, 1990.