To Quote Design Resources Server, use:
Design Resources Server. Indian Agricultural Statistics Research Institute(ICAR), New Delhi 110 012, India. www.iasri.res.in/design (accessed lastly on <date>).
Replace <date> with the actual date of accession.
Please edit style to be consistent with the periodical intended for submission.
If you are refereeing on a particular page, then you may cite as
Authors' name in Contact us list on that page. Title of page:Design Resources Server. Indian Agricultural Statistics Research Institute (ICAR), New Delhi 110 012, India. www.iasri.res.in/design (accessed lastly on <date>).
For example, page on alpha designs may be cited as
Parsad, R., Gupta, V.K. and Dhandapani, A. Alpha Designs: Design Resources Server. Indian Agricultural Statistics Research Institute(ICAR), New Delhi 110 012, India. www.iasri.res.in/design (accessed lastly on <date>).