ScienceDirect (Online service), University of London. Institute of Education, Cooke, R. U., & Johnson, J. H. (1969). Trends in geography: An introductory survey (First edition.). Pergamon Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service), University of London. Institute of Education, Ronald U. Cooke, and James H. Johnson. Trends in Geography: An Introductory Survey. First edition. Oxford: Pergamon Press, 1969.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Trends in Geography: An Introductory Survey. First edition. Pergamon Press, 1969.
Warning: These citations may not always be 100% accurate.