APA (7th ed.) Citation

Nordlunde, J. (2013). How Old is the Katar? Arms & Armour, 10(1), 71. https://doi.org/10.1179/1741612413Z.00000000020

Chicago Style (17th ed.) Citation

Nordlunde, Jens. "How Old Is the Katar?" Arms & Armour 10, no. 1 (2013): 71. https://doi.org/10.1179/1741612413Z.00000000020.

MLA (9th ed.) Citation

Nordlunde, Jens. "How Old Is the Katar?" Arms & Armour, vol. 10, no. 1, 2013, p. 71, https://doi.org/10.1179/1741612413Z.00000000020.