APA (7th ed.) Citation

Robertson, M. D., & Robertson, N. K. (1948). Approach to architecture. E. Arnold.

Chicago Style (17th ed.) Citation

Robertson, Manning Durdin, and N. K. Robertson. Approach to Architecture. London: E. Arnold, 1948.

MLA (9th ed.) Citation

Robertson, Manning Durdin, and N. K. Robertson. Approach to Architecture. E. Arnold, 1948.