Citazione APA

Heimler, C. H., & Price, J. (1974). Focus on physical science (2nd ed.). Charles E Merrill.

Stile di citazione Chicago

Heimler, Charles H., e Jack Price. Focus on Physical Science. 2nd ed. Ohio: Charles E Merrill, 1974.

Citazione MLA

Heimler, Charles H., e Jack Price. Focus on Physical Science. 2nd ed. Charles E Merrill, 1974.