Gretz, S., & Sage, A. (1987). Teddybears take the train / Susanna Gretz and Alison Sage. Black.
Chicago Style (17th ed.) CitationGretz, Susanna, and Alison Sage. Teddybears Take the Train / Susanna Gretz and Alison Sage. London: Black, 1987.
MLA (9th ed.) CitationGretz, Susanna, and Alison Sage. Teddybears Take the Train / Susanna Gretz and Alison Sage. Black, 1987.
Warning: These citations may not always be 100% accurate.