APA (7th ed.) Citation

Ruebel, I. (1971). World's 50 best vegetarian recipes ([English-language ed.). Herder and Herder.

Chicago Style (17th ed.) Citation

Ruebel, Ines. World's 50 Best Vegetarian Recipes. [English-language ed. New York]: Herder and Herder, 1971.

MLA (9th ed.) Citation

Ruebel, Ines. World's 50 Best Vegetarian Recipes. [English-language ed. Herder and Herder, 1971.