APA

Parker D., Parker J., . (1971). The compleat astrologer. New York: MacGraw-Hill.

Chicago

Parker Derek, Parker Julia, . 1971. The compleat astrologer. New York: MacGraw-Hill.

Harvard

Parker D., Parker J., . (1971). The compleat astrologer. New York: MacGraw-Hill.

MLA

Parker Derek, Parker Julia, . The compleat astrologer. New York: MacGraw-Hill. 1971.