Cita APA (7a ed.)

Dubelaar, C. N. (1984). A study on South American and Antillean petroglyphs.

Cita Chicago Style (17a ed.)

Dubelaar, C. N. A Study on South American and Antillean Petroglyphs. 1984.

Cita MLA (8a ed.)

Dubelaar, C. N. A Study on South American and Antillean Petroglyphs. 1984.