APA (7th ed.) Citation

Nilsson, M. P. Primitive Time-reckoning A study in the origins and first development of the art of counting time among the primitive and early culture peoples.

Chicago Style (17th ed.) Citation

Nilsson, Martin P. Primitive Time-reckoning A Study in the Origins and First Development of the Art of Counting Time Among the Primitive and Early Culture Peoples.

MLA (9th ed.) Citation

Nilsson, Martin P. Primitive Time-reckoning A Study in the Origins and First Development of the Art of Counting Time Among the Primitive and Early Culture Peoples.

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