APA Style

Murphy, S, J., Ulrich, G. (1997). MathStart, Level 3 #4: Divide and Ride (Dividing) (Cetakan ke-1). New York: HarperCollins Publishers.

MLA Style

Murphy, Stuart, J.., Ulrich, George. "MathStart, Level 3 #4: Divide and Ride (Dividing)". Cetakan ke-1 New York: HarperCollins Publishers, 1997. Text.