APA (7th ed.) Citation

Dudal, R., Tavernier, R., & Osmond, D. (1966). Soil map of Europe 1: 2,500,000 explanatory text. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Dudal, R., R. Tavernier, and D. Osmond. Soil Map of Europe 1: 2,500,000 Explanatory Text. Rome: Food and Agriculture Organization of the United Nations, 1966.

MLA (9th ed.) Citation

Dudal, R., et al. Soil Map of Europe 1: 2,500,000 Explanatory Text. Food and Agriculture Organization of the United Nations, 1966.