Cita APA (7a ed.)

Chattopadhyaya, S. (1980). The periplus of the Erythrean sea and: Ptolemy on ancient geography of India. Prajna.

Cita Chicago Style (17a ed.)

Chattopadhyaya, Sudhakar. The Periplus of the Erythrean Sea and: Ptolemy on Ancient Geography of India. Calcutta: Prajna, 1980.

Cita MLA (9a ed.)

Chattopadhyaya, Sudhakar. The Periplus of the Erythrean Sea and: Ptolemy on Ancient Geography of India. Prajna, 1980.