APA (7th ed.) Citation

Gayre of Gayre and Nigg, G. R. (1956). The heraldry of the Knights of St. John. Garga.

Chicago Style (17th ed.) Citation

Gayre of Gayre and Nigg, George Robert. The Heraldry of the Knights of St. John. Allahabad: Garga, 1956.

MLA (8th ed.) Citation

Gayre of Gayre and Nigg, George Robert. The Heraldry of the Knights of St. John. Garga, 1956.

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