APA (7th ed.) Citation

Goeres, A., & Wielen, R. (1990). An approximate treatment of the tidal effects between galaxies in n-body simulations of clusters of galaxies. Dynamics and interactions of galaxies.

Chicago Style (17th ed.) Citation

Goeres, Achim, and Roland Wielen. "An Approximate Treatment of the Tidal Effects Between Galaxies in N-body Simulations of Clusters of Galaxies." Dynamics and Interactions of Galaxies 1990.

MLA (9th ed.) Citation

Goeres, Achim, and Roland Wielen. "An Approximate Treatment of the Tidal Effects Between Galaxies in N-body Simulations of Clusters of Galaxies." Dynamics and Interactions of Galaxies, 1990.

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