APA (7th ed.) Citation

C.E. Weber Typefoundry, Amsterdam Continental Types and Graphic Equipment, & Trump, G. (1968). TM: Trump mediaeval. C.E. Weber Typefoundry.

Chicago Style (17th ed.) Citation

C.E. Weber Typefoundry, Amsterdam Continental Types and Graphic Equipment, and Georg Trump. TM: Trump Mediaeval. Stuttgart, West Germany: C.E. Weber Typefoundry, 1968.

MLA (9th ed.) Citation

C.E. Weber Typefoundry, et al. TM: Trump Mediaeval. C.E. Weber Typefoundry, 1968.