APA (7th ed.) Citation

Wirth, N. (1973). Systematic programming: An introduction. Prentice-Hall.

Chicago Style (17th ed.) Citation

Wirth, Niklaus. Systematic Programming: An Introduction. Englewood Cliffs, N.J.: Prentice-Hall, 1973.

MLA (8th ed.) Citation

Wirth, Niklaus. Systematic Programming: An Introduction. Prentice-Hall, 1973.

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