APA (7th ed.) Citation

Gemma Frisius, R. (1562). Arithmeticae practicae methodus facilis. Withagius.

Chicago Style (17th ed.) Citation

Gemma Frisius, Rainer. Arithmeticae Practicae Methodus Facilis. Antverpiae: Withagius, 1562.

MLA (9th ed.) Citation

Gemma Frisius, Rainer. Arithmeticae Practicae Methodus Facilis. Withagius, 1562.

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