Night thoughts :
piano solo /
Aaron Copland.

APA Citation

Copland, A. (20001973). Night thoughts: piano solo. [New York, NY?]: Boosey & Hawkes.

MLA Citation

Copland, Aaron, 1900-1990. Night Thoughts: Piano Solo. [New York, NY?]: Boosey & Hawkes, 20001973.

Warning: These citations may not always be complete (especially for serials).