APA Citation

Gemma Frisius, R., & Rhau, G. (1544). ARITHMETICAE PRACTICAE METHODVS FACILIS.

Chicago Style Citation

Gemma Frisius, Rainer, and Georg Rhau. ARITHMETICAE PRACTICAE METHODVS FACILIS. 1544.

MLA Citation

Gemma Frisius, Rainer, and Georg Rhau. ARITHMETICAE PRACTICAE METHODVS FACILIS. 1544.

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