I löpande text:
... (Prinz & Prinz, 2016). eller Prinz och Prinz (2016)...
I referenslistan:
Prinz, D. & Prinz, E. B. (2016). US 9512623B1). Espacenet. https://worldwide.espacenet.com
/patent/search/family/057399831/publication/US9512623B1?q=US9512623%20B1