APA (7th ed.) Citation

Howe, H., & Howe, R. T. Ancient and medieval worlds. Longman.

Chicago Style (17th ed.) Citation

Howe, Helen, and Robert T. Howe. Ancient and Medieval Worlds. White Plains, N.Y: Longman.

MLA (9th ed.) Citation

Howe, Helen, and Robert T. Howe. Ancient and Medieval Worlds. Longman.

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