AM (PUBLISHER), digitiser und UNIVERSITY OF CALIFORNIA, San Diego, owner, [no date]. Introduction and typescript, 1987. [online]. Available from: https://www.latinamericanhistories.amdigital.co.uk/Documents/Detail/30784940
Elsevier - Harvard (with titles)AM (Publisher), digitiser, University of California, S.D. owner, o. J. Introduction and typescript, 1987.
American Psychological Association 7th editionAM (Publisher), digitiser, & University of California, S. D. owner. (o. J.). Introduction and typescript, 1987. https://www.latinamericanhistories.amdigital.co.uk/Documents/Detail/30784940
Springer - Basic (author-date)AM (Publisher) digitiser, University of California SD owner Introduction and typescript, 1987
Juristische Zitierweise (Stüber) (Deutsch)AM (Publisher), digitiser/ University of California, San Diego, owner, Introduction and typescript, 1987.