APA (7th ed.) Citation

Heiligers, J., Ceriotti, M., McInnes, C., & Biggs, J. (2012). Design of optimal transfers between North and South Pole-sitter orbits.

Chicago Style (17th ed.) Citation

Heiligers, Jeannette, Matteo Ceriotti, Colin McInnes, and James Biggs. Design of Optimal Transfers Between North and South Pole-sitter Orbits. 2012.

MLA (9th ed.) Citation

Heiligers, Jeannette, et al. Design of Optimal Transfers Between North and South Pole-sitter Orbits. 2012.