APA
Barlow B. V., . (1975). The astronomical telescope. London: Wykeham Publications.
Chicago
Barlow Boris V, . 1975. The astronomical telescope. London: Wykeham Publications.
Harvard
Barlow B. V., . (1975). The astronomical telescope. London: Wykeham Publications.
MLA
Barlow Boris V, . The astronomical telescope. London: Wykeham Publications. 1975.