Cita APA (7a ed.)

Butt, D., Fahey, R., Spinks, S., & Yallop, C. (1998). Using functional grammar: An explorer's guide (revised ed.). Macquarie University.

Cita Chicago Style (17a ed.)

Butt, David, Rhondda Fahey, Sue Spinks, y Colin Yallop. Using Functional Grammar: An Explorer's Guide. revised ed. Sydney: Macquarie University, 1998.

Cita MLA (9a ed.)

Butt, David, et al. Using Functional Grammar: An Explorer's Guide. revised ed. Macquarie University, 1998.