Gallenkamp, C. (1987). Maya : the riddle and rediscovery of a lost civilisation / Charles Gallenkamp: The riddle and rediscovery of a lost civilisation (3rd rev. ed.). Penguin.
Chicago Style (17th ed.) CitationGallenkamp, Charles. Maya : The Riddle and Rediscovery of a Lost Civilisation / Charles Gallenkamp: The Riddle and Rediscovery of a Lost Civilisation. 3rd rev. ed. Harmondsworth: Penguin, 1987.
MLA (9th ed.) CitationGallenkamp, Charles. Maya : The Riddle and Rediscovery of a Lost Civilisation / Charles Gallenkamp: The Riddle and Rediscovery of a Lost Civilisation. 3rd rev. ed. Penguin, 1987.
Warning: These citations may not always be 100% accurate.