Directory of Palaeontologists of the World (Excl. Soviet Union & Continental China), 2nd Edition.

MLA

McMaster Univ., Hamilton (Ontario)., and G. E. G. Westermann. Directory of Palaeontologists of the World (Excl. Soviet Union & Continental China), 2nd Edition. Jan. 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=eric&AN=ED030579&authtype=sso&custid=ns315887.

APA

McMaster Univ., H. (Ontario)., & Westermann, G. E. G. (1968). Directory of Palaeontologists of the World (Excl. Soviet Union & Continental China), 2nd Edition.

Chicago

McMaster Univ., Hamilton (Ontario)., and G. E. G. Westermann. 1968. “Directory of Palaeontologists of the World (Excl. Soviet Union & Continental China), 2nd Edition,” January. 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=eric&AN=ED030579&authtype=sso&custid=ns315887.