Gaya APA

Jr., J, A, R., Whitten, R, C. (1969). The Elements and Structure of The Physical Sciences (2nd). New York: JOHN WILEY & SONS, New York.

Gaya MLA

Jr., J., A., Ripley,., Whitten, R., C.. "The Elements and Structure of The Physical Sciences". 2nd New York: JOHN WILEY & SONS, New York, 1969. Textbook.