Cita APA (7a ed.)

Mackay, J. W. (1974). Sources of information for the literature of geology: An introductory guide. Geological Society of London.

Cita Chicago Style (17a ed.)

Mackay, John Watson. Sources of Information for the Literature of Geology: An Introductory Guide. London: Geological Society of London, 1974.

Cita MLA (9a ed.)

Mackay, John Watson. Sources of Information for the Literature of Geology: An Introductory Guide. Geological Society of London, 1974.