How to cite?

How to cite Virtual Herbarium ZA and ZAHO:

Rešetnik I., Šegota V. (Eds) 2017 (continuously updated): Virtual Herbarium ZA and ZAHO. University of Zagreb, Faculty of Science. http:// (accessed <date>).

How to cite digital images and ZA and ZAHO specimens:

Rešetnik I., Šegota V. (Eds) 2017 (continuously updated): Virtual Herbarium ZA and ZAHO. University of Zagreb, Faculty of Science. http://, Herbarium ID: ZA (or ZAHO) <number> (accessed <date>).