Cita APA (7a ed.)

Robertshaw, J., Mecca, S., & Rerick, M. (1978). Problem solving: A systems aproach (1a ed.). Petrocelli Books.

Cita Chicago Style (17a ed.)

Robertshaw, Joseph, Stephen Mecca, y Mark Rerick. Problem Solving: A Systems Aproach. 1a ed. Nueva York: Petrocelli Books, 1978.

Cita MLA (9a ed.)

Robertshaw, Joseph, et al. Problem Solving: A Systems Aproach. 1a ed. Petrocelli Books, 1978.