If only two authors, list first author using "and" before listing second author.
Author 1 (last name, initial of first name only) and Author 2. Title of Article. Journal Abbreviation [Online] Year, Volume, Page Numbers. Database Name. Database URL (accessed Month, Day, Year).
Correct format for assignment:
Liu, M. and Jhang, Z. Efficient Synthesis of Alkyl Aryl Ketones & Ketals via Palladium-Catalyzed Regioselective Aylation of Vinyl
Ethers. Org. Biomol. Chem. [Online] 2010, 8, 462-473 SciFinder. https://scifinder.cas.org (accessed Oct. 7, 2019).
A digital object identifier (DOI) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the Internet. ... All DOI numbers begin with a 10 and contain a prefix and a suffix separated by a slash.
Gao, Yu (02/2019). "Cyclopropenium-Activated DMSO for Swern-Type Oxidation". Synlett (0936-5214), 30 (03), p. 329.