APA (7th ed.) Citation
Pope, N., Growald Brooks, N., & Hundertmark, K. Illustrated Guide to the National Postal Museum.
Chicago Style (17th ed.) Citation
Pope, Nancy, Nancy Growald Brooks, and Kristin Hundertmark. Illustrated Guide to the National Postal Museum.
MLA (9th ed.) Citation
Pope, Nancy, et al. Illustrated Guide to the National Postal Museum.
Warning: These citations may not always be 100% accurate.