APA (7th ed.) Citation

Halliday, M. A. K., & Martin, J. R. (1993). Writing science: Literacy and discursive power. University of Pittsburgh Press.

Chicago Style (17th ed.) Citation

Halliday, M. A. K., and J. R. Martin. Writing Science: Literacy and Discursive Power. Pittsburgh: University of Pittsburgh Press, 1993.

MLA (9th ed.) Citation

Halliday, M. A. K., and J. R. Martin. Writing Science: Literacy and Discursive Power. University of Pittsburgh Press, 1993.