Gaya APA
McClelland, L. (1987).
Scientific Event Alert Network Bulletin : Vol. 12 No. 2 1987 .
Washington DC:
Smithsonian Institution press.
Gaya MLA
McClelland, Lindsay.
"Scientific Event Alert Network Bulletin : Vol. 12 No. 2 1987".
Washington DC:
Smithsonian Institution press,
1987.
Text.