Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.