APA (7th ed.) Citation

Roberts, F. S. (1972). Building an energy demand signed digraph I: Choosing the nodes. Rand.

Chicago Style (17th ed.) Citation

Roberts, Fred S. Building an Energy Demand Signed Digraph I: Choosing the Nodes. Santa Monica, Ca[lif.]: Rand, 1972.

MLA (9th ed.) Citation

Roberts, Fred S. Building an Energy Demand Signed Digraph I: Choosing the Nodes. Rand, 1972.