APA Edition Citation

Abbott G.W & Nuttall C.E Ed. (1969). Relative Clauses: Unit 16. Longman Group.

Chicago Edition Citation

Abbott G.W and Nuttall C.E Ed. Relative Clauses: Unit 16. London: Longman Group, 1969.

MLA Edition Citation

Abbott G.W and Nuttall C.E Ed. Relative Clauses: Unit 16. Longman Group, 1969.