APA (7th ed.) Citation

O'Sullivan, D. (1984). The age of discovery 1400-1550 / Dan O'Sullivan. Longman.

Chicago Style (17th ed.) Citation

O'Sullivan, Dan. The Age of Discovery 1400-1550 / Dan O'Sullivan. London: Longman, 1984.

MLA (9th ed.) Citation

O'Sullivan, Dan. The Age of Discovery 1400-1550 / Dan O'Sullivan. Longman, 1984.

Warning: These citations may not always be 100% accurate.