Petshfoot Productions Service, Shell-BP Petroleum Development Company of Nigeria, & Okoro, G. C. (1971). Niger Delta map. Issued by Shell-BP Petroleum Development Company of Nigeria.
Chicago Style (17th ed.) CitationPetshfoot Productions Service, Shell-BP Petroleum Development Company of Nigeria, and G. C. Okoro. Niger Delta Map. [Lagos]: Issued by Shell-BP Petroleum Development Company of Nigeria, 1971.
MLA (9th ed.) CitationPetshfoot Productions Service, et al. Niger Delta Map. Issued by Shell-BP Petroleum Development Company of Nigeria, 1971.
Warning: These citations may not always be 100% accurate.