APA (7th ed.) Citation

Manchester Peace Education Group, Isaacson, G., & Lamont, G. (1985). Introductory manual for peace education. [Manchester Peace Education Group].

Chicago Style (17th ed.) Citation

Manchester Peace Education Group, Gil Isaacson, and Georgeanne Lamont. Introductory Manual for Peace Education. [Manchester, England]: [Manchester Peace Education Group], 1985.

MLA (8th ed.) Citation

Manchester Peace Education Group, et al. Introductory Manual for Peace Education. [Manchester Peace Education Group], 1985.