APA (7th ed.) Citation

Heyden, F. (1980). The Beginning and end of a Jesuit Observatory: 1841-1972. Manila Observatory.

Chicago Style (17th ed.) Citation

Heyden, F.J. The Beginning and End of a Jesuit Observatory: 1841-1972. [Quezon City: Manila Observatory, 1980.

MLA (9th ed.) Citation

Heyden, F.J. The Beginning and End of a Jesuit Observatory: 1841-1972. Manila Observatory, 1980.

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