APA (7th ed.) Citation

Pennypacker, J. C. (1966). Whole number strapdwon computations.

Chicago Style (17th ed.) Citation

Pennypacker, J. C. Whole Number Strapdwon Computations. 1966.

MLA (9th ed.) Citation

Pennypacker, J. C. Whole Number Strapdwon Computations. 1966.

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