APA (7th ed.) Citation

Gayre and Nigg, R. G. o. (1990). The Armorial Who is who. The Armorial.

Chicago Style (17th ed.) Citation

Gayre and Nigg, Robert Gayre of. The Armorial Who Is Who. Edinburgh [u.a.]: The Armorial, 1990.

MLA (8th ed.) Citation

Gayre and Nigg, Robert Gayre of. The Armorial Who Is Who. The Armorial, 1990.

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