BibTeX:
@incollection{Various,
  author = {Various},
  title = {I am only a drop from the vast ocean of Baha''u''llah''s school},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2013/06/i-am-only-drop-from-vast-ocean-of.html},
}

APA:
Various. I am only a drop from the vast ocean of Baha''u''llah''s school. In *Baha'i Stories Blog*.

MLA:
Various. "I am only a drop from the vast ocean of Baha''u''llah''s school." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "I am only a drop from the vast ocean of Baha''u''llah''s school." In *Baha'i Stories Blog*, n.d..