Stuster, J., Adolf, J., Byrne, V., & Greene, M. (2018). Human exploration of Mars: Preliminary lists of crew tasks (Report No. NASA/CR-2018-220043). National Aeronautics and Space Administration. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20190001401.pdf
Report references are covered in the seventh edition APA Style manuals in the Publication Manual Section 10.4 and the Concise Guide Section 10.4
This guidance has been revised from the 6th edition.