APA (7th ed.) Citation

Parker, J. H. (1884). An introduction to the study of Gothic architecture (7th ed.). Parker.

Chicago Style (17th ed.) Citation

Parker, John Henry. An Introduction to the Study of Gothic Architecture. 7th ed. Oxford: Parker, 1884.

MLA (9th ed.) Citation

Parker, John Henry. An Introduction to the Study of Gothic Architecture. 7th ed. Parker, 1884.