APA Citatie

Macdowell, C. E., & Gibbs, H. M. (1959). Ocean Transprortation. McGraw Hill.

Chicago Style citaat

Macdowell, Cart E., en Helen M. Gibbs. Ocean Transprortation. New York: McGraw Hill, 1959.

MLA citatie

Macdowell, Cart E., en Helen M. Gibbs. Ocean Transprortation. McGraw Hill, 1959.