APA (7th ed.) Citation

Merten, R., & Merten, C. (1993). Irlanda. Planeta De Agostini.

Chicago Style (17th ed.) Citation

Merten, Ruth, and Christoph Merten. Irlanda. Barcelona: Planeta De Agostini, 1993.

MLA (9th ed.) Citation

Merten, Ruth, and Christoph Merten. Irlanda. Planeta De Agostini, 1993.

Warning: These citations may not always be 100% accurate.