APA (7th ed.) Citation

Armengol y de Pereyra, A. d. (1933). Heraldica. Labor.

Chicago Style (17th ed.) Citation

Armengol y de Pereyra, A. de. Heraldica. Barcelona: Labor, 1933.

MLA (9th ed.) Citation

Armengol y de Pereyra, A. de. Heraldica. Labor, 1933.

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