APA (7th ed.) Citation

Petruso, K. M. (1985). Additive Progression in Prehistoric Mathematics: A Conjecture.

Chicago Style (17th ed.) Citation

Petruso, Karl M. Additive Progression in Prehistoric Mathematics: A Conjecture. 1985.

MLA (8th ed.) Citation

Petruso, Karl M. Additive Progression in Prehistoric Mathematics: A Conjecture. 1985.

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