APA (7th ed.) Citation

ProQuest (Firm). (1971). Minerals Yearbook, 1969. [publisher not identified].

Chicago Style (17th ed.) Citation

ProQuest (Firm). Minerals Yearbook, 1969. Washington: [publisher not identified], 1971.

MLA (9th ed.) Citation

ProQuest (Firm). Minerals Yearbook, 1969. [publisher not identified], 1971.

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