The Earth from orbit :
Apollo-Soyuz pamphlet no. 5.
APA Citation
Page, L. Williams. (1977). The Earth from orbit: Apollo-Soyuz pamphlet no. 5. Washington, D.C.: NASA, National Aeronautics and Space Administration.
MLA Citation
Page, Lou Williams. The Earth From Orbit: Apollo-Soyuz Pamphlet No. 5. Washington, D.C.: NASA, National Aeronautics and Space Administration, 1977.
Warning: These citations may not always be complete (especially for serials).