Gaya APA

Adolf, B. et al (2020). E-book The Potato Crop : Its Agricultural, Nutritional and Social Contribution to Humankind . Switzerland: Springer Nature.

Gaya MLA

Adolf, Birgit. et al. "E-book The Potato Crop : Its Agricultural, Nutritional and Social Contribution to Humankind". Switzerland: Springer Nature, 2020. Text.