APA (7th ed.) Zitazioa

MCMULLAN, J. T. (1977). Energy resources, by John Trever. Edward Arnold.

Chicago Style (17th ed.) Zitazioa

MCMULLAN, John Trevor. Energy Resources, by John Trever. London: Edward Arnold, 1977.

MLA (9th ed.) Zitazioa

MCMULLAN, John Trevor. Energy Resources, by John Trever. Edward Arnold, 1977.