APA ציטוט

Van Engel, E. L., & Boyer, A. E. (1961). The Chemical Sanitation of Beer Glasses.

Citação norma Chicago

Van Engel, E. L., and A. E. Boyer. The Chemical Sanitation of Beer Glasses. 1961.

ציטוט MLA

Van Engel, E. L., and A. E. Boyer. The Chemical Sanitation of Beer Glasses. 1961.