APA (7th ed.) Citation

Frick, M., Lovison, F., Tschirky, P., & Hulsink, W. (2017). Trekksoft: Sell direct everywhere. SAGE Publications Ltd.

Chicago Style (17th ed.) Citation

Frick, Melanie, Federico Lovison, Pamela Tschirky, and Willem Hulsink. Trekksoft: Sell Direct Everywhere. London: SAGE Publications Ltd, 2017.

MLA (9th ed.) Citation

Frick, Melanie, et al. Trekksoft: Sell Direct Everywhere. SAGE Publications Ltd, 2017.