APA (7th ed.) Citation

Du Plessis, N. (1970). An introduction to potential theory / by Nicolaas Du Plessis. Oliver and Boyd.

Chicago Style (17th ed.) Citation

Du Plessis, Nicolaas. An Introduction to Potential Theory / by Nicolaas Du Plessis. Oliver and Boyd, 1970.

MLA (9th ed.) Citation

Du Plessis, Nicolaas. An Introduction to Potential Theory / by Nicolaas Du Plessis. Oliver and Boyd, 1970.

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