APA (7e ed.) Bronvermelding

Ringold, P. L. (1980). The coastal almanac for 1980 - The year of the coast. W. H. Freeman.

Chicago (17e ed.) Bronvermelding

Ringold, Paul L. The Coastal Almanac for 1980 - The Year of the Coast. San Francisco: W. H. Freeman, 1980.

MLA (9e ed.) Bronvermelding

Ringold, Paul L. The Coastal Almanac for 1980 - The Year of the Coast. W. H. Freeman, 1980.