Gaya APA

Timmermann, A. (2013). Verse and transmutation :a corpus of middle English alchemical poetry (critical editions and studies) . Leiden: Brill.

Gaya MLA

Timmermann, Anke. "Verse and transmutation :a corpus of middle English alchemical poetry (critical editions and studies)". Leiden: Brill, 2013. Ebook.