APA (7th ed.) Citation

Langmuir, E. (2016). The National Gallery companion guide. National Gallery Company.

Chicago Style (17th ed.) Citation

Langmuir, Erika. The National Gallery Companion Guide. London: National Gallery Company, 2016.

MLA (9th ed.) Citation

Langmuir, Erika. The National Gallery Companion Guide. National Gallery Company, 2016.

Warning: These citations may not always be 100% accurate.