APA (7th ed.) Citation

Smith, G. W., & Stoldt, P. H. (1970). Look here: English picture stories (2. ed.). Hueber.

Chicago Style (17th ed.) Citation

Smith, George W., and Peter H. Stoldt. Look Here: English Picture Stories. 2. ed. München: Hueber, 1970.

MLA (9th ed.) Citation

Smith, George W., and Peter H. Stoldt. Look Here: English Picture Stories. 2. ed. Hueber, 1970.