APA Citation

Phillips, D., & Sheerin, S. (1991). Signature intermediate: Students? book. NelSon, U.K: [s.n].

Chicago Style Citation

Phillips, Diane, and Susan Sheerin. Signature Intermediate: Students? Book. NelSon, U.K: [s.n], 1991.

MLA Citation

Phillips, Diane, and Susan Sheerin. Signature Intermediate: Students? Book. NelSon, U.K: [s.n], 1991.

Warning: These citations may not always be 100% accurate.