APA

Aitken R. G. 1., .New general catalogue of double stars within 120° of the North Pole / by Robert Grant Aitken in succession to the late Eric Doolittle. Washington : published by Carnegie Institution of Washington, 1932: .

Chicago

Aitken Robert Grant 1864-1951, .New general catalogue of double stars within 120° of the North Pole / by Robert Grant Aitken in succession to the late Eric Doolittle. Washington : published by Carnegie Institution of Washington, 1932: .

Harvard

Aitken R. G. 1., .New general catalogue of double stars within 120° of the North Pole / by Robert Grant Aitken in succession to the late Eric Doolittle. Washington : published by Carnegie Institution of Washington, 1932: .

MLA

Aitken Robert Grant 1864-1951, .Washington : published by Carnegie Institution of Washington, 1932: . .