Cita APA (7th ed.)

Maula, E. (1981). The archipelago as a focus for interdiscyplinary research. Unesco.

Cita Chicago (17th ed.)

Maula, Erkka. The Archipelago as a Focus for Interdiscyplinary Research. París: Unesco, 1981.

Cita MLA (9th ed.)

Maula, Erkka. The Archipelago as a Focus for Interdiscyplinary Research. Unesco, 1981.