Cita APA (7a ed.)

Ashwell, J., & Jones, B. (1969). Four steps for progress: Transport and worker's control in hull (2a ed.). Institute for Worker's Control.

Cita Chicago Style (17a ed.)

Ashwell, Jack, y Bill Jones. Four Steps for Progress: Transport and Worker's Control in Hull. 2a ed. Nottingham: Institute for Worker's Control, 1969.

Cita MLA (8a ed.)

Ashwell, Jack, y Bill Jones. Four Steps for Progress: Transport and Worker's Control in Hull. 2a ed. Institute for Worker's Control, 1969.