Citazione Stile APA (7a Edizione)

Gralewska, A., Smith, G., Stanfield, P., & Hoek, E. (1969). KWIC index of rock mechanics literature published before 1969. American Institute of Mining, Metallurgical and Petroleum Engineers.

Citazione stile Chigago Style (17a edizione)

Gralewska, A., Gillian Smith, P. Stanfield, e Evert Hoek. KWIC Index of Rock Mechanics Literature Published Before 1969. New York: American Institute of Mining, Metallurgical and Petroleum Engineers, 1969.

Citatione MLA (8a ed.)

Gralewska, A., et al. KWIC Index of Rock Mechanics Literature Published Before 1969. American Institute of Mining, Metallurgical and Petroleum Engineers, 1969.