APA (7th ed.) Citation

Salt, J., & Abel, S. (1989). Learning to write 1. Octopus Pub. Group.

Chicago Style (17th ed.) Citation

Salt, Jane, and Simone Abel. Learning to Write 1. New York: Octopus Pub. Group, 1989.

MLA (9th ed.) Citation

Salt, Jane, and Simone Abel. Learning to Write 1. Octopus Pub. Group, 1989.