Citazione Stile APA (7a Edizione)

Bell, D. J., & Jacobson, D. H. (1975). Singular optimal control problems. Academic Press.

Citazione stile Chigago Style (17a edizione)

Bell, David J., e David H. Jacobson. Singular Optimal Control Problems. Londres: Academic Press, 1975.

Citatione MLA (9a ed.)

Bell, David J., e David H. Jacobson. Singular Optimal Control Problems. Academic Press, 1975.