Citazione APA

Milton, J. H., & Leach, R. M. (1980). Marine steam boilers (Ed.4.). Butterworths.

Stile di citazione Chicago

Milton, James H., e Roy M. Leach. Marine Steam Boilers. Ed.4. London: Butterworths, 1980.

Citazione MLA

Milton, James H., e Roy M. Leach. Marine Steam Boilers. Ed.4. Butterworths, 1980.