APA (7th ed.) Citation

Thomas, E., Thomas, H., & Thomas, R. G. (2000). Letters to Helen: And an appendix of seven letters to Harry and Janet Hooton. Carcanet.

Chicago Style (17th ed.) Citation

Thomas, Edward, Helen Thomas, and R. George Thomas. Letters to Helen: And an Appendix of Seven Letters to Harry and Janet Hooton. Manchester [England]: Carcanet, 2000.

MLA (8th ed.) Citation

Thomas, Edward, et al. Letters to Helen: And an Appendix of Seven Letters to Harry and Janet Hooton. Carcanet, 2000.