Preliminary soil classification map of southwestern US and Mexico from space photography

MLA

Morrison, R. B. Preliminary Soil Classification Map of Southwestern US and Mexico from Space Photography. May 1968. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19690019017&authtype=sso&custid=ns315887.

APA

Morrison, R. B. (1968). Preliminary soil classification map of southwestern US and Mexico from space photography.

Chicago

Morrison, R. B. 1968. “Preliminary Soil Classification Map of Southwestern US and Mexico from Space Photography,” May. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19690019017&authtype=sso&custid=ns315887.