APA (7th ed.) Citation

Fredrikson, G. (1971). Geology of the Huitis and La Misión quadrangles, northernmost Sinaloa, Mexico. [publisher not identified].

Chicago Style (17th ed.) Citation

Fredrikson, Göran. Geology of the Huitis and La Misión Quadrangles, Northernmost Sinaloa, Mexico. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Fredrikson, Göran. Geology of the Huitis and La Misión Quadrangles, Northernmost Sinaloa, Mexico. [publisher not identified], 1971.