APA
Dobbins T. a., Parker D. C. & Capen C. F. (1992). Introduction to observing and photographing the solar system. Virginia: Willmann-Bell.
Chicago
Dobbins Thomas a, Parker Donald C and Capen Charles F. 1992. Introduction to observing and photographing the solar system. Virginia: Willmann-Bell.
Harvard
Dobbins T. a., Parker D. C. and Capen C. F. (1992). Introduction to observing and photographing the solar system. Virginia: Willmann-Bell.
MLA
Dobbins Thomas a, Parker Donald C and Capen Charles F. Introduction to observing and photographing the solar system. Virginia: Willmann-Bell. 1992.