APA (7th ed.) Citation

Harvey, J. (1978). The Perpendicular style, 1330-1485.

Chicago Style (17th ed.) Citation

Harvey, John. The Perpendicular Style, 1330-1485. 1978.

MLA (9th ed.) Citation

Harvey, John. The Perpendicular Style, 1330-1485. 1978.

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