Gaya APA

Brady, J, E., Humiston, G, E. (1939). General chemistry : principles and structure (4th ed). United States of America: John Wiley and Sons.

Gaya MLA

Brady, James, E.., Humiston, Gerard, E.. "General chemistry : principles and structure". 4th ed United States of America: John Wiley and Sons, 1939. Printed Book.