एपीए उद्धरण

Gokel, G. W. (1991). Crown ethers and cryptands. Royal Society of Chemistry.

शिकागो स्टाइल उद्धरण

Gokel, George W. Crown Ethers and Cryptands. Cambridge: Royal Society of Chemistry, 1991.

एमएलए उद्धरण

Gokel, George W. Crown Ethers and Cryptands. Royal Society of Chemistry, 1991.