APA (7e ed.) Bronvermelding

Philippine Islands. Weather Bureau & Algue, J. 1. (1902). Monthly bulletins for the year 1901. Observatory Printing Office.

Chicago (17e ed.) Bronvermelding

Philippine Islands. Weather Bureau en Jose 1856 Algue. Monthly Bulletins for the Year 1901. Manila: Observatory Printing Office, 1902.

MLA (9e ed.) Bronvermelding

Philippine Islands. Weather Bureau en Jose 1856 Algue. Monthly Bulletins for the Year 1901. Observatory Printing Office, 1902.