(1969). Trends in geography: An introductory survey (1. ed.). Pergamon Press.
Chicago Style (17th ed.) CitationTrends in Geography: An Introductory Survey. 1. ed. Oxford [u.a.]: Pergamon Press, 1969.
MLA (9th ed.) CitationTrends in Geography: An Introductory Survey. 1. ed. Pergamon Press, 1969.
Warning: These citations may not always be 100% accurate.