Kopp, Peter A.. "3. Hop Fever". Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley, Berkeley: University of California Press, 2016, pp. 34-50. https://doi.org/10.1515/9780520965058-005
Kopp, P. (2016). 3. Hop Fever. In Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley (pp. 34-50). Berkeley: University of California Press. https://doi.org/10.1515/9780520965058-005
Kopp, P. 2016. 3. Hop Fever. Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley. Berkeley: University of California Press, pp. 34-50. https://doi.org/10.1515/9780520965058-005
Kopp, Peter A.. "3. Hop Fever" In Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley, 34-50. Berkeley: University of California Press, 2016. https://doi.org/10.1515/9780520965058-005
Kopp P. 3. Hop Fever. In: Hoptopia: A World of Agriculture and Beer in Oregon's Willamette Valley. Berkeley: University of California Press; 2016. p.34-50. https://doi.org/10.1515/9780520965058-005